In this paper, we investigate the effect described in the literature as the Group Knobe Effect, which is an asymmetry in ascription of intentionality of negative and positive side-effects of an action performed by a group agent. We successfully replicate two studies originally conducted by Michael and Szigeti, who observed this effect and provide empirical evidence of the existence of two related effects—Group Epistemic and Doxastic Knobe Effects—which show analogous asymmetry with respect to knowledge and belief (...) ascriptions. We explain how the existence of the Group Knobe Effect and its epistemic and doxastic counterparts affects the philosophical debate on collective agency and intentionality and supports the intuitiveness of realism about collective agency among laypeople. We also critically assess the reasoning presented by Michael and Szigeti in favor of the realist-collectivist interpretation of their results. We argue that a thorough analysis of both their data and our new findings shows a rather wide range of differing intuitions among laypeople regarding the status of groups as agents. These results show that while some laypeople may have realist-collectivist intuitions, the contrary realist-distrubutivist intuitions are also widespread and the claim that the majority of laypeople hold collectivist intuitions regarding group agency is unjustified. (shrink)

Christian List and Philip Pettit argue that groups of people can be agents – beings that believe, desire and act. Their account combines a non-reductive realist view of group attitudes, on which groups literally have attitudes that cannot be analyzed in terms of the attitudes of their members, with methodological individualism, on which good explanations of group-level phenomena should not posit forces above individual attitudes and behaviors. I then discuss the main normative conclusion that LP draw from (...) the claim that group agents exist: that we ought morally to grant legal rights and responsibilities to group agents, but that group rights should be more limited than individual rights. I argue that when it comes to the fitness of group agents to bear legal rights and responsibilities, LP can draw support from nonreductionist views elsewhere, particularly in the philosophy of mind. I raise some objections to LP's views about the value of granting legal rights and responsibilities to group agents.Send article to KindleTo send this article to your Kindle, first ensure [email protected] is added to your Approved Personal Document E-mail List under your Personal Document Settings on the Manage Your Content and Devices page of your Amazon account. Then enter the ‘name’ part of your Kindle email address below. Find out more about sending to your Kindle. Find out more about sending to your Kindle. Note you can select to send to either the @free.kindle.com or @kindle.com variations. ‘@free.kindle.com’ emails are free but can only be sent to your device when it is connected to wi-fi. ‘@kindle.com’ emails can be delivered even when you are not connected to wi-fi, but note that service fees apply. Find out more about the Kindle Personal Document Service.THE NORMATIVE STANDING OF GROUP AGENTSVolume 9, Issue 3Rachael BriggsDOI: https://doi.org/10.1017/epi.2012.17Your Kindle email address Please provide your Kindle [email protected]@kindle.com Available formats PDF Please select a format to send. By using this service, you agree that you will only keep articles for personal use, and will not openly distribute them via Dropbox, Google Drive or other file sharing services. Please confirm that you accept the terms of use. Cancel Send ×Send article to Dropbox To send this article to your Dropbox account, please select one or more formats and confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your account. Find out more about sending content to Dropbox. THE NORMATIVE STANDING OF GROUP AGENTSVolume 9, Issue 3Rachael BriggsDOI: https://doi.org/10.1017/epi.2012.17Available formats PDF Please select a format to send. By using this service, you agree that you will only keep articles for personal use, and will not openly distribute them via Dropbox, Google Drive or other file sharing services. Please confirm that you accept the terms of use. Cancel Send ×Send article to Google Drive To send this article to your Google Drive account, please select one or more formats and confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your account. Find out more about sending content to Google Drive. THE NORMATIVE STANDING OF GROUP AGENTSVolume 9, Issue 3Rachael BriggsDOI: https://doi.org/10.1017/epi.2012.17Available formats PDF Please select a format to send. By using this service, you agree that you will only keep articles for personal use, and will not openly distribute them via Dropbox, Google Drive or other file sharing services. Please confirm that you accept the terms of use. Cancel Send ×Export citation Request permission. (shrink)

In the multi-agent setting, it is relevant to model group dynamics of agents, and logic has proved a good tool to do so. We propose an epistemic logic, L-DINF-E, that allows one to formalize what are the beliefs formed by a group of agents, where several groups exist and agents can pass from a group to another one. We introduce a new modality which allows an agent to reason about the beliefs of other (...) agents. This allows us to model aspects of the “Theory of Mind”, understood as the set of social-cognitive skills involving the ability to attribute and reason about mental states, desires, beliefs, and knowledge of agents. In this paper, we present the logic L-DINF-E and illustrate how it can be used to solve “false-belief tasks”, i.e., tests in which an agent should understand that some other agent may develop, under some circumstances, false beliefs. (shrink)

Could groups ever be an understanding subject (an epistemic agent ascribed with understanding) or should we keep our focus exclusively on the individuals that make up the group? The way this paper will shape an answer to this question is by starting from a case we are most willing to accept as group understanding, then mark out the crucial differences with an unconvincing case, and, ultimately, explain why these differences matter. In order to concoct the cases, however, (...) we need to elucidate what it means to be attributed with understanding and what makes up an epistemic agent. I shall argue that it is abilities, above all, that guide our attributions of understanding. While it is true that understanding must go beyond single acts, this is not going beyond as in going behind them (to private occurrences which are impossible to discern and don’t themselves contribute anything of value), but beyond as in considering what people could and would do: their discernable and valuable abilities. To conceptualize whom the abilities belong to, I will specify what it means to be an epistemic agent. I shall argue that it is being a successful target of the epistemic stance. The epistemic stance (heavily inspired by Dennett’s intentional stance) forms an instrumental abstraction by attributing epistemic properties (i.e., beliefs, epistemic aims, problem-solving tactics) to an entity to explain or predict its behavior. Macro-systematicity (a higher-level pattern which a theory can exploit) is what makes the epistemic stance’s abstraction an explanatory powerful one (regardless of how that macro-systematicity is realized) and emergence (the lack of a straightforward mapping-relation between the micro and the macro) is what makes its power unique to a particular level of explanation. To end, I suggest two kinds of mapping-relations and walk through the shift from reducibility to emergence. (shrink)

When an agent suffers in their capacity as a knower, they are a victim of epistemic injustice. Varieties of epistemic injustices have been theorised. A salient feature across these theories is that perpetrators and victims of epistemic injustice belong to different social groups. In this paper, I argue for a form of epistemic injustice that could occur between members of the same social group. This is a form of epistemic injustice where the knower is (...) first a victim of historical and continuing oppression. Secondly, they internalise and appreciate the systems that harm them as a knower. This is possible because the victim subscribes to perniciously formed epistemic systems. This form of epistemic injustice is a valuable explanatory tool for non-standard and obscure instances of epistemic injustice where the victim a) accepts and appreciates the injustice they experience and b) is even the seeming perpetrator of the injustice against themselves. (shrink)

Modern epistemic questions have largely been focused around the individual and her ability to acquire knowledge autonomously. More recently epistemologists have begun to look more broadly in providing accounts of knowledge by considering its social context, where the individual depends on others for true beliefs. Hardwig explains the effect of this shift starkly, arguing that to reject epistemic dependency is to deny certain true beliefs widely held throughout society and, more specifically, it is to deny that science and (...) scholarship can provide true belief. Alternatively, Hardwig argues that beliefs could be granted to communities or groups but denied to individuals. This paper approaches these broad assertions using a group agency model from List and Pettit. Through a discussion of the ‘epistemic desideratum’ of group agents, I conclude that List and Pettit give us reason to accept some of Hardwig's concerns, but that attributing beliefs to groups does not require us to deny them to individuals, rather an individual can use a group agent as a source of epistemic dependence.Send article to KindleTo send this article to your Kindle, first ensure [email protected] is added to your Approved Personal Document E-mail List under your Personal Document Settings on the Manage Your Content and Devices page of your Amazon account. Then enter the ‘name’ part of your Kindle email address below. Find out more about sending to your Kindle. Find out more about sending to your Kindle. Note you can select to send to either the @free.kindle.com or @kindle.com variations. ‘@free.kindle.com’ emails are free but can only be sent to your device when it is connected to wi-fi. ‘@kindle.com’ emails can be delivered even when you are not connected to wi-fi, but note that service fees apply. Find out more about the Kindle Personal Document Service.GROUP AGENCY AND EPISTEMIC DEPENDENCYVolume 9, Issue 3Aaron DewittDOI: https://doi.org/10.1017/epi.2012.13Your Kindle email address Please provide your Kindle [email protected]@kindle.com Available formats PDF Please select a format to send. By using this service, you agree that you will only keep articles for personal use, and will not openly distribute them via Dropbox, Google Drive or other file sharing services. Please confirm that you accept the terms of use. Cancel Send ×Send article to Dropbox To send this article to your Dropbox account, please select one or more formats and confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your account. Find out more about sending content to Dropbox. GROUP AGENCY AND EPISTEMIC DEPENDENCYVolume 9, Issue 3Aaron DewittDOI: https://doi.org/10.1017/epi.2012.13Available formats PDF Please select a format to send. By using this service, you agree that you will only keep articles for personal use, and will not openly distribute them via Dropbox, Google Drive or other file sharing services. Please confirm that you accept the terms of use. Cancel Send ×Send article to Google Drive To send this article to your Google Drive account, please select one or more formats and confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your account. Find out more about sending content to Google Drive. GROUP AGENCY AND EPISTEMIC DEPENDENCYVolume 9, Issue 3Aaron DewittDOI: https://doi.org/10.1017/epi.2012.13Available formats PDF Please select a format to send. By using this service, you agree that you will only keep articles for personal use, and will not openly distribute them via Dropbox, Google Drive or other file sharing services. Please confirm that you accept the terms of use. Cancel Send ×Export citation Request permission. (shrink)

In this paper, I present an account of group competence that is explicitly framed for cases of epistemic performances. According to it, we must consider group epistemic competence as the group agents’ capacity to produce knowledge, and not the result of the summation of its individual members’ competences to produce knowledge. Additionally, I contend that group competence must be understood in terms of group normative status. To introduce my view, I present Jesper (...) Kallestrup’s denial that group competence involves anything over and beyond the aggregation of individual competences. I have divided my response into two parts. First, I compare two conceptions of competence from Ernest Sosa’s reliabilist virtue epistemology, Thinking about oneself: The place and value of reflection in philosophy and psychology, Springer, 2019) and David Löwenstein’s account of know-how. Second, I take the results from this comparison and apply them to the issue of group know-how, by the hand of Orestis Palermos and Deborah Tollefsen’s twofold approach to the topic Socially extended epistemology, Oxford University Press, 2018). Finally, I return to Kallestrup’s denial to make my point in favour of the conception of genuine group competence as the group normative status to achieve success. (shrink)

Epistemic paternalism occurs when a decision is made for an agent which helps them arrive at the truth, though they didn’t consent to that decision (and sometimes weren’t even aware of it). Common defenses of epistemic paternalism claim that it can help promote positive veritistic results. In other words, epistemic paternalism is often good for inquiry. I argue that there is often a better alternative available to epistemic paternalism in the form of what I call Open (...) Group Inquiry. I then examine how Open Group Inquiry can be applied to cases of religious inquiry, while noting that epistemic paternalism is impermissible in cases of general religious inquiry. I argue that in the case of religious inquiry, there are serious questions about what constitutes evidence along with how to evaluate it. Rather than posing a particular worry for Open Group Inquiry, I suggest these questions pose a problem for religious inquiry in general. I conclude that while it very much matters how concepts like religious knowledge, religious faith, scepticism, etc., are defined, these considerations may well pave the way for a novel argument for religious scepticism. (shrink)

Johann Gottlieb Fichte argues that one semantic presupposition of claims about our entitlements is the idea that others are capable of autonomy. Individuals cannot demand anything from others, even submission, unless they also presuppose—although perhaps without acknowledging this to themselves—that others are free agents. Thus, the autonomy of others is a pre-condition of our exercise of autonomy. Why do individuals and groups often try to justify their own entitlement to rights at the expense of the freedom of others, thereby (...) simultaneously assuming and denying their freedom? This paper investigates what constitution of group agency gives individual members of the group the best chance to develop and sustain a moral character consistent with the ideal of equal autonomy. I argue that liberalism fosters the sort of group agency that improves individuals’ chances to acquire epistemically reliable beliefs about the moral status of others. I apply my findings to the discussion of court decisions in Gaines, Brown, and the race nuisance cases. (shrink)

Johann Gottlieb Fichte argues that one semantic presupposition of claims about our entitlements is the idea that others are capable of autonomy. Individuals cannot demand anything from others, even submission, unless they also presuppose—although perhaps without acknowledging this to themselves—that others are free agents. Thus, the autonomy of others is a pre-condition of our exercise of autonomy. Why do individuals and groups often try to justify their own entitlement to rights at the expense of the freedom of others, thereby (...) simultaneously assuming and denying their freedom? This paper investigates what constitution of group agency gives individual members of the group the best chance to develop and sustain a moral character consistent with the ideal of equal autonomy. I argue that liberalism fosters the sort of group agency that improves individuals’ chances to acquire epistemically reliable beliefs about the moral status of others. I apply my findings to the discussion of court decisions in Gaines, Brown, and the race nuisance cases. (shrink)

In this paper we present the results of a simulation study of credence developments in groups of communicating Bayesian agents, as they update their beliefs about a given proposition p. Based on the empirical literature, one would assume that these groups of rational agents would converge on a view over time, or at least that they would not polarize. This paper presents and discusses surprising evidence that this is not true. Our simulation study shows that these groups of (...) Bayesian agents show group polarization behavior under a broad range of circumstances. This is, we think, an unexpected result, that raises deeper questions about whether the kind of polarization in question is irrational. If one accepts Bayesian agency as the hallmark of epistemic rationality, then one should infer that the polarization we find is also rational. On the other hand, if we are inclined to think that there is something epistemically irrational about group polarization, then something must be off in the model employed in our simulation study. We discuss several possible interfering factors, including how epistemic trust is defined in the model. Ultimately, we propose that the notion of Bayesian agency is missing something in general, namely the ability to respond to higher-order evidence. (shrink)

Humans are prone to producing morally suboptimal and even disastrous outcomes out of ignorance. Ignorance is generally thought to excuse agents from wrongdoing, but little attention has been paid to group-based ignorance as the reason for some of our collective failings. I distinguish between different types of first-order and higher order group-based ignorance and examine how these can variously lead to problematic inaction. I will make two suggestions regarding our epistemic obligations vis-a-vis collective (in)action problems: (1) (...) that our epistemic obligations concern not just our own knowledge and beliefs but those of others, too and (2) that our epistemic obligations can be held collectively where the epistemic tasks cannot be performed by individuals acting in isolation, for example, when we are required to produce joint epistemic goods. (shrink)

Strong epistemic anti-individualism—i.e., the claim that knowledge can be irreducibly social—is increasingly debated within mainstream and social epistemology. Most existing approaches attempt to argue for the view on the basis of aggregative analyses, which focus on the way certain groups aggregate the epistemic attitudes of their members. Such approaches are well motivated, given that many groups to which we often ascribe group knowledge—such as juries and committees—operate in this way. Yet another way that group knowledge can (...) be generated is on the basis of epistemic collaborations, such as scientific research teams and Transactive Memory Systems. To produce knowledge, epistemic collaborations rely heavily on the mutual interactions of their group members. This is a distinctive feature of epistemic collaborations that renders them resistant to aggregative analyses. To accommodate this kind of group knowledge, the paper combines virtue reliabilism with the hypothesis of distributed cognition in order to introduce the hybrid approach of distributed virtue reliabilism. On this view, beliefs produced by epistemic collaborations entertain positive epistemic standing in virtue of the mutual interactions of their group members; this positive epistemic standing is a collective property; epistemic collaborations qualify as epistemic group agents; collaborative knowledge is a special kind of group knowledge, motivating strong epistemic anti-individualism in a distinctive way. (shrink)

Strong epistemic anti-individualism—i.e., the claim that knowledge can be irreducibly social—is increasingly debated within mainstream and social epistemology. Most existing approaches attempt to argue for the view on the basis of aggregative analyses, which focus on the way certain groups aggregate the epistemic attitudes of their members. Such approaches are well motivated, given that many groups to which we often ascribe group knowledge—such as juries and committees—operate in this way. Yet another way that group knowledge can (...) be generated is on the basis of epistemic collaborations, such as scientific research teams and Transactive Memory Systems. To produce knowledge, epistemic collaborations rely heavily on the mutual interactions of their group members. This is a distinctive feature of epistemic collaborations that renders them resistant to aggregative analyses. To accommodate this kind of group knowledge, the paper combines virtue reliabilism with the hypothesis of distributed cognition in order to introduce the hybrid approach of distributed virtue reliabilism. On this view, beliefs produced by epistemic collaborations entertain positive epistemic standing in virtue of the mutual interactions of their group members; this positive epistemic standing is a collective property; epistemic collaborations qualify as epistemic group agents; collaborative knowledge is a special kind of group knowledge, motivating strong epistemic anti-individualism in a distinctive way. (shrink)

In this paper, we propose a dynamic epistemic framework to capture the knowledge evolution in multi-agent systems where agents are not able to observe. We formalize multi-agent conformant planning with group knowledge, and reduce planning problems to model checking problems. We prove that multi-agent conformant planning with group knowledge is Pspace -complete on the size of dynamic epistemic models. We also consider the alternative Kripke semantics, and show that for each Kripke model with perfect recall (...) and no miracles, there is an equivalent dynamic epistemic model and vice versa. (shrink)

According to an influential Enlightenment ideal, one shouldn't rely epistemically on other people's say-so, at least not if one is in a position to evaluate the relevant evidence for oneself. However, in much recent work in social epistemology, we are urged to dispense with this ideal, which is seen as stemming from a misguided focus on isolated individuals to the exclusion of groups and communities. In this paper, I argue that that an emphasis on the social nature of inquiry should (...) not lead us to entirely abandon the Enlightenment ideal of epistemically autonomous agents. Specifically, I suggest that it is an appropriate ideal for those who serve as experts in a given epistemic community, and develop a notion of expert acceptance to make sense of this. I go on to show that, all other things being equal, this kind of epistemic autonomy among experts makes their joint testimony more reliable, which in turn brings epistemic benefits both to laypeople and to experts in other fields. (shrink)

This essay raises new objections to the two dominant approaches to understanding the justification of group beliefs—_inflationary_ views, where groups are treated as entities that can float freely from the epistemic status of their members’ beliefs, and _deflationary_ views, where justified group belief is understood as nothing more than the aggregation of the justified beliefs of the group's members. If this essay is right, we need to look in an altogether different place for an adequate account (...) of justified group belief. From these objections emerges the skeleton of the positive view that this essay goes on to develop and defend, called the _group epistemic agent account_: groups are epistemic agents in their own right, with justified beliefs that respond to both evidence and normative requirements that arise only at the group level but that are nonetheless importantly constrained by the epistemic status of the beliefs of their individual members. (shrink)

The standard epistemic justification for inclusiveness in political decision making is the Condorcet Jury Theorem, which states that the probability of a correct decision using majority rule increases in group size (given certain assumptions). Informally, majority rule acts as a mechanism to pool the information contained in the judgements of individual agents. I aim to extend the explanation of how groups of political agents track the truth. Before agents can pool the information, they first need (...) to find truth-conducive information. Increasing group size is also important in the initial search for truth-conducive information. (shrink)

This book concerns the foundations of epistemic modality and hyperintensionality and their applications to the philosophy of mathematics. I examine the nature of epistemic modality, when the modal operator is interpreted as concerning both apriority and conceivability, as well as states of knowledge and belief. The book demonstrates how epistemic modality and hyperintensionality relate to the computational theory of mind; metaphysical modality and hyperintensionality; the types of mathematical modality and hyperintensionality; to the epistemic status of large (...) cardinal axioms, undecidable propositions, and abstraction principles in the philosophy of mathematics; to the modal and hyperintensional profiles of the logic of rational intuition; and to the types of intention, when the latter is interpreted as a hyperintensional mental state. Chapter 2 argues for a novel type of expressivism based on the duality between the categories of coalgebras and algebras, and argues that the duality permits of the reconciliation between modal cognitivism and modal expressivism. I also develop a novel topic-sensitive truthmaker semantics for dynamic epistemic logic, and develop a novel dynamic epistemic two-dimensional hyperintensional semantics. Chapter 3 provides an abstraction principle for epistemic (hyper-)intensions. Chapter 4 advances a topic-sensitive two-dimensional truthmaker semantics, and provides three novel interpretations of the framework along with the epistemic and metasemantic. Chapter 5 applies the fixed points of the modal μ-calculus in order to account for the iteration of epistemic states in a single agent, by contrast to availing of modal axiom 4 (i.e. the KK principle). The fixed point operators in the modal μ-calculus are rendered hyperintensional, which yields the first hyperintensional construal of the modal μ-calculus in the literature and the first application of the calculus to the iteration of epistemic states in a single agent instead of the common knowledge of a group of agents. Chapter 6 advances a solution to the Julius Caesar problem based on Fine's `criterial' identity conditions which incorporate conditions on essentiality and grounding. Chapter 7 provides a ground-theoretic regimentation of the proposals in the metaphysics of consciousness and examines its bearing on the two-dimensional conceivability argument against physicalism. The topic-sensitive epistemic two-dimensional truthmaker semantics developed in chapters 2 and 4 are availed of in order for epistemic states to be a guide to metaphysical states in the hyperintensional setting. -/- Chapters 8-12 provide cases demonstrating how the two-dimensional hyperintensions of hyperintensional, i.e. topic-sensitive epistemic two-dimensional truthmaker, semantics, solve the access problem in the epistemology of mathematics. Chapter 8 examines the interaction between my hyperintensional semantics and the axioms of epistemic set theory, large cardinal axioms, the Epistemic Church-Turing Thesis, the modal axioms governing the modal profile of Ω-logic, Orey sentences such as the Generalized Continuum Hypothesis, and absolute decidability. These results yield inter alia the first hyperintensional Epistemic Church-Turing Thesis and hyperintensional epistemic set theories in the literature. Chapter 9 examines the modal and hyperintensional commitments of abstractionism, in particular necessitism, and epistemic hyperintensionality, epistemic utility theory, and the epistemology of abstraction. I countenance a hyperintensional semantics for novel epistemic abstractionist modalities. I suggest, too, that observational type theory can be applied to first-order abstraction principles in order to make first-order abstraction principles recursively enumerable, i.e. Turing machine computable, and that the truth of the first-order abstraction principle for hyperintensions is grounded in its being possibly recursively enumerable and the machine being physically implementable. Chapter 10 examines the philosophical significance of hyperintensional Ω-logic in set theory and discusses the hyperintensionality of metamathematics. Chapter 11 provides a modal logic for rational intuition and provides a hyperintensional semantics. Chapter 12 avails of modal coalgebras to interpret the defining properties of indefinite extensibility, and avails of hyperintensional epistemic two-dimensional semantics in order to account for the interaction between the interpretational and objective modalities and truthmakers thereof. This yields the first hyperintensional category theory in the literature. I invent a new mathematical trick in which first order structures are treated as categories, and Vopenka's principle can be satisfied because of the elementary embeddings between the categories and generate Vopenka cardinals while bypassing the category of Set in category theory. Chapter 13 examines modal responses to the alethic paradoxes. Chapter 14 examines, finally, the modal and hyperintensional semantics for the different types of intention and the relation of the latter to evidential decision theory. (shrink)

There is growing interest in understanding and eliciting division of labor within groups of scientists. This paper illustrates the need for this division of labor through a historical example, and a formal model is presented to better analyze situations of this type. Analysis of this model reveals that a division of labor can be maintained in two different ways: by limiting information or by endowing the scientists with extreme beliefs. If both features are present however, cognitive diversity is maintained indefinitely, (...) and as a result agents fail to converge to the truth. Beyond the mechanisms for creating diversity suggested here, this shows that the real epistemic goal is not diversity but transient diversity. (shrink)

The debate on the epistemology of disagreement has so far focused almost exclusively on cases of disagreement between individual persons. Yet, many social epistemologists agree that at least certain kinds of groups are equally capable of having beliefs that are open to epistemic evaluation. If so, we should expect a comprehensive epistemology of disagreement to accommodate cases of disagreement between group agents, such as juries, governments, companies, and the like. However, this raises a number of fundamental questions (...) concerning what it means for groups to be epistemic peers and to disagree with each other. In this paper, we explore what group peer disagreement amounts to given that we think of group belief in terms of List and Pettit’s ‘belief aggregation model’. We then discuss how the so-called ‘equal weight view’ of peer disagreement is best accommodated within this framework. The account that seems most promising to us says, roughly, that the parties to a group peer disagreement should adopt the belief that results from applying the most suitable belief aggregation function for the combined group on all members of the combined group. To motivate this view, we test it against various intuitive cases, derive some of its notable implications, and discuss how it relates to the equal weight view of individual peer disagreement. (shrink)

Epistemic inequality is something we face in our everyday experience whenever we acknowledge our epistemic inferiority towards some and our epistemic superiority towards others. The negative side of this epistemic phenomenon has received due attention in the context of the debate on epistemic injustice: whenever an epistemic subject deflates the credibility of another or fails to recognize their authority qua knowers, unjust epistemic inequality is easily produced. However, this kind of inequality has an (...) important positive side, as it can amount to a fundamental opportunity for the subject to achieve epistemic goods—such as knowledge, understanding, and intellectual virtues—from those who are epistemically superior to them. This thesis inquires into the key features of the interaction between non-peer agents to provide a compelling account of epistemic inequality as a positive phenomenon, that is, as an inescapable and reliable source of epistemic goods. To achieve this overarching aim, the proposed analysis shall address three main questions, one conceptual, one normative, and one practical. The conceptual question asks what it takes for an epistemic agent to be epistemically superior to someone else. The normative question investigates the rational boundaries of the interaction between non-peer agents. From the standpoint of the epistemically superior agent, I examine the permissibility of epistemic paternalism, namely whether it can be legitimate for one to interfere with another’s agency for the epistemic benefit of the subject interfered with without consulting them on the issue. From the standpoint of the epistemically inferior agent, I examine which attitudes it is rational to have towards individuals epistemically superior to us. The practical question is about the implications of this analysis for a paradigmatic instance of interaction between non-peer subjects, such as the educational relationship between teachers and students. As a response to the conceptual question, I shall offer a pluralistic virtue-based framework that allows individuating various ways in which an individual or a collective agent—such as groups, committees, and research teams—can be epistemically superior to another. In particular, I shall distinguish between experts, authorities of belief, and authorities of understanding. As a response to the normative question, I argue that epistemic paternalism is permissible only insofar as the interferers are epistemically better positioned than the subjects interfered with, and I outline an account of what I call a “virtuous paternalist interferer”. Furthermore, I argue that there are cases in which it is rational for an epistemically inferior subject to set aside whatever belief they might have and defer to the epistemically superior interlocutor—thereby endorsing a limited version of the so-called preemptionist view of epistemic authority. Finally, as a response to the practical question, I shall propose an exemplar-based account of education, explain how it can be employed to educate the young to intellectual virtues, and defend the view from several objections raised against virtue-based approaches to education. (shrink)

Epistemic trustworthiness is defined as a complex character state that supervenes on a relation between first- and second-order beliefs, including beliefs about others as epistemic agents. In contexts shaped by unjust power relations, its second-order components create a mutually supporting link between a deficiency in epistemic character and unjust epistemic exclusion on the basis of group membership. In this way, a deficiency in the virtue of epistemic trustworthiness plays into social/epistemic interactions that (...) perpetuate social injustice. Overcoming that deficiency and, along with it, normalized practices of epistemic exclusion, requires developing a self-critical perspective on the partial, socially-located character of one's perspective and the consequent epistemic value of inclusiveness. (shrink)

Virtue signaling—using public moral discourse to enhance one’s moral reputation—is a familiar concept. But, what about profile pictures framed by “Vaccines work!”? Or memes posted to anti-vaccine groups echoing the group’s view that “Only sheep believe Big Pharma!”? These actions don’t express moral views—both claims are empirical (if imprecise). Nevertheless, they serve a similar purpose: to influence the judgments of their audience. But, where rainbow profiles guide their audience to view the agent as morally good, these acts guide their (...) audience to view the agent as epistemically good. They are instances of epistemic virtue signaling. The first goal of this paper is to offer an account of epistemic virtue signaling. I argue that epistemic virtue signaling occurs through both behavioral and propositional signals, and serves purposes similar to those of moral virtue signaling across a wide variety of discourses. The second is to show that there is much work for this concept to do. In particular, this concept illuminates a double bind faced by those who suffer from and seek to overcome testimonial injustice. I close by demonstrating how this double bind arises in the dissolution of medical autonomy, focusing on the care gap faced by pregnant women of color in the United States today, as compared with their white counterparts. (shrink)

Because of its complexity, contemporary scientific research is almost always tackled by groups of scientists, each of which works in a different part of a given research domain. We believe that understanding scientific progress thus requires understanding this division of cognitive labor. To this end, we present a novel agent-based model of scientific research in which scientists divide their labor to explore an unknown epistemic landscape. Scientists aim to climb uphill in this landscape, where elevation represents the significance of (...) the results discovered by employing a research approach. We consider three different search strategies scientists can adopt for exploring the landscape. In the first, scientists work alone and do not let the discoveries of the community as a whole influence their actions. This is compared with two social research strategies, which we call the follower and maverick strategies. Followers are biased towards what others have already discovered, and we find that pure populations of these scientists do less well than scientists acting independently. However, pure populations of mavericks, who try to avoid research approaches that have already been taken, vastly outperform both of the other strategies. Finally, we show that in mixed populations, mavericks stimulate followers to greater levels of epistemic production, making polymorphic populations of mavericks and followers ideal in many research domains. (shrink)

Propositional attitudes, such as beliefs, desires, and intentions, can be attributed to collective agents. In my paper I focus on cognitive attitudes, and I explore the various types of collective beliefs. I argue that there is a whole spectrum of collective beliefs, and I distinguish between two extremes: the weak opinion poll conception and the strong agreement-based conception. Strong collective beliefs should be understood in terms of the acceptance of a proposition rather than of belief proper. They are not (...) purely epistemic and involve practical considerations. To believe that p collectively in the strong sense is to adopt a policy to use that proposition in the group’s deliberations about future actions. (shrink)

Epistemic trust figures prominently in our socio-cognitive practices. By assigning different degrees of competence to agents, we distinguish between experts and novices and determine the trustworthiness of testimony. This paper probes the claim that epistemic trust furthers our epistemic enterprise. More specifically, it assesses the veritistic value of competence attribution in an epistemic community, i.e., in a group of agents that collaboratively seek to track down the truth. The results, obtained by simulating opinion (...) dynamics, tend to subvert the very idea that competence ascription is essential for the functioning of epistemic collaboration and hence veritistically valuable. On the contrary, we find that, in specific circumstances at least, epistemic trust may prevent a community from finding the truth effectively. (shrink)

With her conception of epistemic injustice, Miranda Fricker has opened up new normative dimensions for epistemology; that is, the injustice of denying one?s status as a knower. While her analysis of the remedies for such injustices focuses on the epistemic virtues of agents, I argue for the normative superiority of adapting a broadly republican conception of epistemic injustice. This argument for a republican epistemology has three steps. First, I focus on methodological and explanatory issues of identifying (...) epistemic injustice and argue, against Fricker, that identity prejudice fails to provide a sufficient explanatory basis for the spread and maintenance of such systematic epistemic injustice. Second, this systemic basis can be found not so much in the psychological attitudes of individual knowers, but in the relations of domination among groups and individuals in a society. Third, if such a presence of domination plays a primary explanatory role in all forms of epistemic injustice, it is likely that those who suffer from epistemic injustice will also suffer other forms of injustice and loss of status via the exercise of other forms of power and exclusion. (shrink)

Dynamic epistemic logic, broadly conceived, is the study of logics of information change. This is the first paper in a two-part series introducing this research area. In this paper, I introduce the basic logical systems for reasoning about the knowledge and beliefs of a group of agents.

Epistemic trust figures prominently in our socio-cognitive practices. By assigning different degrees of competence to agents, we distinguish between experts and novices and determine the trustworthiness of testimony. This paper probes the claim that epistemic trust furthers our epistemic enterprise. More specifically, it assesses the veritistic value of competence attribution in an epistemic community, i.e., in a group of agents that collaboratively seek to track down the truth. The results, obtained by simulating opinion (...) dynamics, tend to subvert the very idea that competence ascription is essential for the functioning of epistemic collaboration and hence veritistically valuable. On the contrary, we find that, in specific circumstances at least, epistemic trust may prevent a community from finding the truth effectively. (shrink)

The theory of pragmatic encroachment states that the risks associated with being wrong, or the practical stakes, can make a difference to whether one’s evidence is good enough to justify belief. While still far from the orthodox view, it has garnered enough popularity that it is worth exploring the implications when we apply the theory of pragmatic encroachment to group epistemology, specifically to the justificatory status of the beliefs of group agents. When we do, I claim, we (...) discover two novel cases of divergence; cases where a group epistemic agent is justified in believing but none of the members are, and vice versa. Using Jennifer Lackey’s influential Group Epistemic Agent Account as a foil, in particular Lackey’s arguments against previous proposed cases of divergence, the present paper defends the following argument, which I call Pragmatic Encroachment Divergence (PED): (i) Practical stakes make a difference to what an agent (group or individual) is justified in believing. (ii) The practical stakes of a group agent can come apart from the practical stakes of the (operative) members. (iii) Therefore, it is possible for the justified beliefs of a group to diverge from the justified beliefs of its members. (shrink)

This paper is a beginning—an initial attempt to think of the function and character of epistemic norms as a kind of social norm. We draw on social scientific thinking about social norms and the social games to which they respond. Assume that people individually follow epistemic norms for the sake of acquiring a stock of true beliefs. When they live in groups and share information with each other, they will in turn produce a shared store of true beliefs, (...) an epistemic public good. True beliefs, produced individually or in groups, constitute an epistemic good—one commonly stockpiled and distributed within a community. Epistemic norms can then be understood as a kind of socially developed and transmitted normative sensibility having to do with the production of this individual and public good. Epistemic norms should serve to regulate this practice—coordinating the practice of individuals so as to afford the benefits of life in an interdependent epistemic community—and to manage the risks of being epistemically dependent on others within such a community. Here, we provide some attempts to characterize the central aspects of "the epistemic game"—the epistemic choice situation confronted by communities of epistemic agents. (shrink)

Contemporary analytic epistemology exhibits an individualistic bias. The standard analyses of knowledge found in current epistemological discussions assume that the only epistemic agents worthy of philosophical consideration are individual cognizers. The idea that collectives could be genuine knowers has received little, if any, serious consideration. This individualistic bias seems to be motivated by the view that epistemology is about things that go on inside the head. In this paper I challenge this type of epistemic individualism by arguing (...) that certain groups are intentional agents and that cognition occurs at the level of groups. In section I, I extend a plausible and well-defended account of individual intentionality to organizations. In section II, I appeal to research on distributed cognition in order to challenge the view that cognition occurs exclusively in the individual mind-brain. Having established that groups can be believers and cognizers, I turn to the issue of the justification of group belief. In section III, consider whether a reliabilist account of justification can be extended to groups. (shrink)

According to Sosa, knowledge is apt belief, where a belief is apt when accurate because adroit. Sosa :465–475, 2010; Judgment and agency, Oxford University Press, Oxford, 2015) adds to his triple-A analysis of knowledge, a triple-S analysis of competence, where a complete competence combines its seat, shape and situation. Much of Sosa’s influential work assumes that epistemic agents are individuals who acquire knowledge when they hit the truth through exercising their own individual skills in appropriate shapes and situations. (...) This paper explores an extension of Sosa’s framework to a social setting in which groups constitute epistemic agents over and above their individual members. The claim is that groups can be ascribed knowledge in virtue of hitting the truth through exercising their competences in appropriate shapes and situations. While knowledge at the collective level may diverge from knowledge at the individual level, the competences of groups are nothing over and above the combined competences of their members. The ensuing view thus has implications for the debate over reduction and supervenience in collective epistemology. (shrink)

Combining active externalism in the form of the extended and distributed cognition hypotheses with virtue reliabilism can provide the long sought after link between mainstream epistemology and philosophy of science. Specifically, by reading virtue reliabilism along the lines suggested by the hypothesis of extended cognition, we can account for scientific knowledge produced on the basis of both hardware and software scientific artifacts. Additionally, by bringing the distributed cognition hypothesis within the picture, we can introduce the notion of epistemic (...) class='Hi'>group agents, in order to further account for collective knowledge produced on the basis of scientific research teams. (shrink)

Epistemic justification of non-summative group beliefs is studied in this paper. Such group beliefs are understood to be voluntary acceptances, the justification of which differs from that of involuntary beliefs. It is argued that whereas epistemic evaluation of involuntary beliefs can be seen not to require reasons, justification of voluntary acceptance of a proposition as true requires that the agent, a group or an individual, can provide reasons for the accepted view. This basic idea is (...) studied in relation to theories of dialectical justification in which justification is taken to require ability to justify. Since the reasons offered can in principle always be challenged, there is no ultimate end to the dialectical chain of justification. This makes justification of acceptance, and thus group belief, social and, in a way, contextual, but this does not seem to entail strong forms of epistemic relativism. (shrink)

The fact that much of our knowledge is gained through the testimony of others challenges a certain form of epistemic individualism. We are clearly not autonomous knowers. But the discussion surrounding testimony has maintained a commitment to what I have elsewhere called epistemic agent individualism. Both the reductionist and the anti-reductionist have focused their attention on the testimony of individuals. But groups, too, are sources of testimony - or so I shall argue. If groups can be testifiers, a (...) natural question to ask is whether our beliefs based on the testimony of groups are ever justified and whether such a justification is to be conferred inferentially or non-inferentially. I consider and dismiss the possibility of extending an anti-reductionist account of justification to our group testimonial beliefs. I also argue against a version of reductionism that would have our group testimonial beliefs justified only in so far as we were able to monitor the trustworthiness of members of the group. However, there are forms of reductionism that can be extended to make sense of the justification of our group testimonial beliefs. There are mechanisms for monitoring the trustworthiness and competency of a group (rather than its members) and, further, a variety of background beliefs allow us to assess the testimony of a group for reliability. (shrink)

ABSTRACT This paper offers an account of institutional testimonial justice and describes one way that it breaks down, which we call institutional opacity. An institution is opaque when it becomes resistant to epistemic evaluation and understanding by its agents and users. When one cannot understand the inner workings of an institution, it becomes difficult to know how to comport oneself testimonially. We offer an account of an institutional ethos to explain what it means for an institution to be (...) testimonially just; we then describe how an ethos of institutional testimonial justice can break down when the institution becomes opaque. An opaque institution is especially problematic for individuals and groups already rendered epistemically vulnerable during their interactions with that institution, which we call epistemically vulnerabilised individuals. We articulate the features of an encounter between an epistemically vulnerabilised individual and an opaque institution. We end by tracing ameliorative strategies that could help repair a deteriorated institutional ethos of testimonial justice. (shrink)

Organizations have neither a right to the vote nor a weighty right to life. We need not enfranchise Goldman Sachs. We should feel few scruples in dissolving Standard Oil. But they are not without rights altogether. We can owe it to them to keep our promises. We can owe them debts of gratitude. Thus, we can owe some things to organizations. But we cannot owe them everything we can owe to people. They seem to have a peculiar, fragmented moral status. (...) What explains this? Individualistic views explain this in terms of individualistic notions alone. Such notions don’t invoke any distinctive features of organizations. They just invoke the features of individual members of organizations. Collectivistic views, instead, explain this in terms of collective notions alone. Such notions don’t invoke the features of individual members of organizations. They just invoke the features of those organizations. We argue that neither approach works. Instead, one needs to synthesize the two approaches. Some individual interests, we think, are distinctively collective. We, as individuals, have a distinctive interest in playing a part in successful collective action. From this, so we argue, flows the apparently peculiar, fragmented moral status of organizations. (shrink)

Writers on collective action are in broad agreement that in order for a group of agents to form a collective intention, the members of that group must have beliefs about the beliefs of the other members. But in spite of the fact that this so-called "interactive knowledge" is central to virtually every account of collective intention, writers on this subject have not offered a detailed account of the nature of interactive knowledge. In this paper, we argue that (...) such an account is necessary for any adequate analysis of collective intention. Furthermore, we argue that an application of Robert Aumann's theory of interactive knowledge may be used to address several puzzling features of collective intention. CiteULike Connotea Del.icio.us What's this? (shrink)

This paper presents a logic combining Dynamic Epistemic Logic, a framework for reasoning about multi-agent communication, with a new multi-agent version of Justification Logic, a framework for reasoning about evidence and justification. This novel combination incorporates a new kind of multi-agent evidence elimination that cleanly meshes with the multi-agent communications from Dynamic Epistemic Logic, resulting in a system for reasoning about multi-agent communication and evidence elimination for groups of interacting rational agents.

This paper attempts to provide a remedy to a surprising lacuna in the current discussion in the epistemology of expertise, namely the lack of a theory accounting for the epistemic authority of collective agents. After introducing a service conception of epistemic authority based on Alvin Goldman’s account of a cognitive expert, I argue that this service conception is well suited to account for the epistemic authority of collective bodies on a non-summativist perspective, and I show in (...) detail how the defining requirements of an expert can apply to epistemic groups. (shrink)

In this paper we formalize an approach to knowledge that we call Interrogative Epistemology, in the spirit of Hintikka’s “interrogative model” of knowledge. According to our approach, an agent’s knowledge is shaped and limited by her interrogative agenda. The dynamic correlate of this postulate is our Selective Learning principle: the agent’s agenda limits her potential for knowledge-acquisition. Only meaningful information, that is relevant to one’s issues, can really be learnt. We use this approach to propose a new perspective on (...) class='Hi'>group knowledge, understood in terms of the epistemic potential of a group of agents: the knowledge that the group may come to possess in common after all members share their individual information. We argue that the standard notions of group knowledge studied in the literature, ranging from distributed knowledge to common knowledge, do not give us a good measure of a group’s epistemic potential. Common knowledge is too weak and too “static”, focusing on what the agents can coordinate upon only based on their actual, current knowledge, thus disregarding testimonial knowledge. In contrast, the concept of distributed knowledge is too strong, being based on the assumption that agents can completely internalize all the testimonial evidence received from others, irrespective of the limitations posed by their own interrogative agendas. We show that a group’s true epistemic potential typically lies in between common knowledge and distributed knowledge. We propose a logical formalization of these concepts, which comes together with a complete axiomatization, and we use this setting to explain both the triumphs and the failures of collective knowledge, treating examples that range from “collective scientific knowledge” [14, 35, 43] to the so-called “curse of the committee”. (shrink)

In this paper I defend the idea that there is a sense in which it is meaningful and useful to talk about objective understanding, and that to characterize that notion it is necessary to formulate an account of explanation that makes reference to the beliefs and epistemic goals of the participants in a cognitive enterprise. Using the framework for belief revision developed by Isaac Levi, I analyze the conditions that information must fulfill to be both potentially explanatory and epistemically (...) valuable to an inquiring agent and to a scientific community. To be potentially explanatory, the information must state the relations of probabilistic relevance that the explanans bares to the explanandum. But a potential explanation con only be a bona fide explanation if it becomes part of inquiry, that is, if an agent or a group of agents can see any value in it for their cognitive purposes. I provide a way to evaluate the epistemic value of a potential explanation as a function of its credibility and its informational content. (shrink)

We construct logical languages which allow one to represent a variety of possible types of changes affecting the information states of agents in a multi-agent setting. We formalize these changes by defining a notion of epistemic program. The languages are two-sorted sets that contain not only sentences but also actions or programs. This is as in dynamic logic, and indeed our languages are not significantly more complicated than dynamic logics. But the semantics is more complicated. In general, the (...) semantics of an epistemic program is what we call aprogram model. This is a Kripke model of ‘actions’,representing the agents' uncertainty about the current action in a similar way that Kripke models of ‘states’ are commonly used in epistemic logic to represent the agents' uncertainty about the current state of the system. Program models induce changes affecting agents' information, which we represent as changes of the state model, called epistemic updates. Formally, an update consists of two operations: the first is called the update map, and it takes every state model to another state model, called the updated model; the second gives, for each input state model, a transition relation between the states of that model and the states of the updated model. Each variety of epistemic actions, such as public announcements or completely private announcements to groups, gives what we call an action signature, and then each family of action signatures gives a logical language. The construction of these languages is the main topic of this paper. We also mention the systems that capture the valid sentences of our logics. But we defer to a separate paper the completeness proof. (shrink)

This paper considers some questions related to the determination of epistemic modal domains. Specifically, given situations in which groups of agents have epistemic states that bear on a modal domain, how is the domain best restricted? This is a metasemantic project, in which I combine a standard semantics for epistemic modals, as developed by Kratzer, with a standard story about conversational dynamics, as developed by Stalnaker. I show how a standard framework for epistemic logic can (...) model their interaction. I contend that if groups have epistemic states that bear on the modal domain, as the data suggests, then careful attention must be paid to the method of combination selected for the epistemic states of the individuals within the group. Specifically, there should be some explanation of the flow of information in a group-deliberative setting. Through this study we find a novel explanation of modal disagreement and uptake. (shrink)