Como asociado del Instituto de Investigación Social de Frankfurt durante la década de 1930, Herbert Marcuse produjo una serie de artículos que tendrían un impacto significativo en la agenda futura de la teoría crítica. Hizo contribuciones innovadoras, entre otras cosas, al desarrollo de la relación entre la teoría de la Escuela de Frankfurt y las nociones hegeliana y weberiana de desarrollo social, a la idea de la cultura como una limitación de la posibilidad humana y a la articulación de las (...) marcadas diferencias entre el liberalismo y la teoría emancipatoria. A diferencia de varios de sus pares en este periodo, en particular Max Horkheimer, Erich Fromm y Theodor W. Adorno, Marcuse prestó poca atención a las posibles afinidades entre la teoría crítica y el psicoanálisis. (shrink)

En este artículo tomamos como punto de partida la Fuga y Masacre de Trelew (agosto de 1972), pero nuestro eje principal será el ciclo de conflictividad docente en la región (1969-1972) en el marco del Plan de Lucha Nacional que condujo el Acuerdo de Nucleamientos Docentes. El nexo entre ambas situaciones es la presencia de Mario Abel Amaya (docente, miembro de la Asociación Gremial de Abogados, dirigente de la UCR y presidente de la recién constituida Asociación de Docentes del Este (...) de Chubut), en el aeropuerto de Trelew al momento en que se producía la fuga de presos políticos del penal U6 de Rawson. Por su mediación en ese momento con las fuerzas represivas para garantizar la rendición pacífica de lxs 19 guerrillerxs fugadxs, fue acusado de complicidad y detenido por la dictadura militar. Esto sucedió hasta que la movilización popular del “Trelewazo” consiguió su libertad tres meses más tarde. Ese es nuestro punto retrospectivo de partida, para analizar la unidad que se fue forjando entre los sectores docentes y el incremento de su combatividad, en el marco del primer acto de terrorismo de estado. Encontramos en la figura de Amaya una trama de relaciones que nos permiten hilvanar analíticamente las luchas políticas y económicas de la región. (shrink)

This 1983 book is a lively and clearly written introduction to the philosophy of natural science, organized around the central theme of scientific realism. It has two parts. 'Representing' deals with the different philosophical accounts of scientific objectivity and the reality of scientific entities. The views of Kuhn, Feyerabend, Lakatos, Putnam, van Fraassen, and others, are all considered. 'Intervening' presents the first sustained treatment of experimental science for many years and uses it to give a new direction to debates about (...) realism. Hacking illustrates how experimentation often has a life independent of theory. He argues that although the philosophical problems of scientific realism can not be resolved when put in terms of theory alone, a sound philosophy of experiment provides compelling grounds for a realistic attitude. A great many scientific examples are described in both parts of the book, which also includes lucid expositions of recent high energy physics and a remarkable chapter on the microscope in cell biology. (shrink)

There are two ways to approach political representation. We can view each type of representation or each site of representation – namely a representative actor or institution – on an individual basis and study its internal dynamics. Alternatively, we can look at how different forms of representation and representative actors and institutions interact in a system of representation. In this article, I develop the second view. I make three contributions to the theory of representation from systemic thinking. Methodologically, I explain (...) the contours of a systemic approach to political representation. Descriptively, I propose a definition of a system of representation that captures representative pluralism, distribution of representative work and different levels of representation. Normatively, I set criteria for judging the system of representation and its individual components with systemic criteria. (shrink)

We represent shape in both sight and touch, but how do these abilities relate to one another? This issue has been discussed in the context of Molyneux's question of whether someone born blind could, upon being granted sight, identify shapes visually. Some have suggested that we might look to real‐world cases of sight restoration to illuminate the relation between visual and tactual shape representations. Here, I argue that newly sighted perceivers should not be relied on in this way because they (...) are unlikely to form the kinds of shape representations responsible for cross‐modal recognition in normally sighted perceivers. I then argue that the available evidence makes a compelling case for the type identity view, on which the visual and tactual representations responsible for cross‐modal recognition are type‐identical. (shrink)

ArgumentMoreau (2019) has raised concerns about the use of DNA data obtained from vulnerable populations, such as the Uighurs in China. We discuss another case, situated in Europe and with a research history dating back 100 years: genetic investigations of Roma. In our article, we focus on problems surrounding representativity in these studies. We claim that many of the circa 440 publications in our sample neglect the methodological and conceptual challenges of representativity. Moreover, authors do not account for problematic misrepresentations (...) of Roma resulting from the conceptual frameworks and sampling schemes they use. We question the representation of Roma as a “genetic isolate” and the underlying rationales, with a strong focus on sampling strategies. We discuss our results against the optimistic prognosis that the “new genetics” could help to overcome essentialist understandings of groups. (shrink)

The operational definition of a weak value for a quantum mechanical system involves the limit of the weak measurement strength tending to zero. I study how this limit compares to the situation for the undisturbed system. Under certain conditions, which I investigate, this limit is discontinuous in the sense that it does not merge smoothly to the Hilbert space description of the undisturbed system. Hence, in these discontinuous cases, the weak value does not represent the undisturbed system. As a result, (...) conclusions drawn from such weak values regarding the properties of the studied system cannot be upheld. Examples are given. (shrink)

Simulations are used in very different contexts and for very different purposes. An emerging development is the possibility of using simulations to obtain a more or less representative reproduction of organs or even entire persons. Such simulations are framed and discussed using the term ‘digital twin’. This paper unpacks and scrutinises the current use of such digital twins in medicine and the ideas embedded in this practice. First, the paper maps the different types of digital twins. A special focus is (...) put on the concrete challenges inherent in the interactions between persons and their digital twin. Second, the paper addresses the questions of how far a digital twin can represent a person and what the consequences of this may be. Against the background of these two analytical steps, the paper defines first conditions for digital twins to take on an ethically justifiable form of representation. (shrink)

Incapacitated adult patients are commonly divided into two groups for purposes of decision making; those with a surrogate and those without. Respectively, these groups are often referred to as represented and unrepresented, and the relative ethics of decision making between them raises two particular issues. The first issue involves the differential application of the best interests standard between groups. Second is the prevailing notion that representedness and unrepresentedness are categorical phenomena, though it is more aptly understood as a multidimensional and (...) continuous variable based on relational moral authority. This paper examines the nature of representedness as it relates to ethical norms of surrogate decision making. (shrink)

The Representative Claim is set to transform our core assumptions about what representation is and can be. At a time when political representation is widely believed to be in crisis, the book provides a timely and critical corrective to conventional wisdom on the present and potential future of representative democracy.

Models such as the simple pendulum, isolated populations, and perfectly rational agents, play a central role in theorising. It is now widely acknowledged that a study of scientific representation should focus on the role of such imaginary entities in scientists’ reasoning. However, the question is most of the time cast as follows: How can fictional or abstract entities represent the phenomena? In this paper, I show that this question is not well posed. First, I clarify the notion of representation, and (...) I emphasise the importance of what I call the “format” of a representation for the inferences agents can draw from it. Then, I show that the very same model can be presented under different formats, which do not enable scientists to perform the same inferences. Assuming that the main function of a representation is to allow one to draw predictions and explanations of the phenomena by reasoning with it, I conclude that imaginary models in abstracto are not used as representations: scientists always reason with formatted representations. Therefore, the problem of scientific representation does not lie in the relationship of imaginary entities with real systems. One should rather focus on the variety of the formats that are used in scientific practice. (shrink)

The first section introduces a distinction between 2 families of cognitive operations, called System 1 and System 2. The second section presents an attribute-substitution model of heuristic judgment, which elaborates and extends earlier treatments of the topic. The third section introduces a research design for studying attribute substitution. The fourth section discusses the controversy over the representativeness heuristic. The last section situates representativeness within a broad family of prototype heuristics, in which properties of a prototypical exemplar dominate global judgments concerning (...) an entire set. (shrink)

The topic of temporal meaning in texts has received considerable attention in recent years from scholars in linguistics, logical semantics, cognitive science, and artificial intelligence. Representing Time in Natural Language offers a systematic and detailed account of how we use temporal information contained in a text or in discourse to reason about the flow of time, inferring the order in which events happened when this is not explicitly stated. A new representational system is designed to formalize an appropriately context-dependent notion (...) of situated inference. The Dynamic Aspect Tree, representing temporal dependencies, constitutes a novel and important dynamic temporal logic, one that makes it easy to see "what follows when" from the information given in an ordinary English text. (shrink)

This paper presents and motivates a counterpart theoretic semantics for quantifi ed modal logic based on a fleshed out account of Lewis's notion of a `possibility.' According to the account a possibility consists of a world and some haecceitistic information about how each possible individual gets represented de re. A semantics for quanti ed modal logic based on evaluating formulae at possibilities is developed. It is shown that this framework naturally accommodates an actuality operator, addressing recent objections to counterpart theory, (...) and is equivalent to the more familiar Kripke semantics for quanti fied modal logic with an actuality operator. (shrink)

Representative democracy is often assessed from the standpoint of direct democracy. Recently, however, many theorists have come to argue that representation forms a democratic model in its own right. The most powerful claim in this direction is to be found within two quite different strands of thinking: the aesthetic theory of Frank Ankersmit and the savage theory of Claude Lefort. In this article, I show that while Ankersmit and Lefort converge in their critique of direct rule, they provide us with (...) two distinct models of democracy. Aesthetic democracy, I argue, in the end falls short as a democratic recuperation of representation. It reduces representation to delegation. Savage democracy proves more fruitful in this respect. It offers a representative view of politics without committing itself to the premises associated with political delegation. (shrink)

Modelling reasoning with legal cases has been a central concern of AI and Law since the 1980s. The approach which represents cases as factors and dimensions has been a central part of that work. In this paper I consider how several varieties of the approach can be applied to the interesting case of Popov v Hayashi. After briefly reviewing some of the key landmarks of the approach, the case is represented in terms of factors and dimensions, and further explored using (...) theory construction and argumentation schemes approaches. (shrink)

This paper concerns how motor actions are neurally represented and coded. Action planning and motor preparation can be studied using a specific type of representational activity, motor imagery. A close functional equivalence between motor imagery and motor preparation is suggested by the positive effects of imagining movements on motor learning, the similarity between the neural structures involved, and the similar physiological correlates observed in both imaging and preparing. The content of motor representations can be inferred from motor images at a (...) macroscopic level, based on global aspects of the action and the motor rules and constraints which predict the spatial path and kinematics of movements. A more microscopic neural account calls for a representation of object-oriented action. Object attributes are processed in different neural pathways depending on the kind of task the subject is performing. During object-oriented action, a pragmatic representation is activated in which object affordances are transformed into specific motor schemas. Animal as well as human clinical data implicate the posterior parietal and premotor cortical areas in schema instantiation. A mechanism is proposed that is able to encode the desired goal of the action and is applicable to different levels of representational organization. (shrink)

This article argues that Jeremy Bentham put forward a distinctive and original theory of representative democracy which can be helpfully analysed through his concept of the ‘deputy’. A deputy, Bentham argued, evoked a specific political relationship between governors and the governed – a relationship that was functionally different to that between the people and a ‘representative’ or a ‘delegate’. Whereas a representative was suggestive of too great a degree of governmental independence from the people and a delegate implied an excessive (...) dependency of governors upon the governed, a deputy for Bentham best described the relationship between the rulers and the ruled that should subsist in a representative democracy. A political form based on deputies, who were to be relatively free to conduct the business of government yet simultaneously accountable to their sovereign electors, was the only way in his eyes to guarantee the promotion of utility in politics and the security of the people from being misruled. (shrink)

Many contemporary democratic theorists are democratic egalitarians. They think that the distinctive value of democracy lies in equality. Yet this position faces a serious problem. All contemporary democracies are representative democracies. Such democracies are highly unequal: representatives have much more power than do ordinary citizens. So, it seems that democratic egalitarians must condemn representative democracies. In this paper, I present a solution to this problem. My solution invokes popular control. If representatives are under popular control, then their extra power is (...) not objectionable. Unfortunately, so I argue, in the United States representatives are under loose popular control. (shrink)

Identifying a range of key concerns related to representation and difference, Representing the Other offers a provocative agenda for the future development of feminist theory and practice. The book's contributors, including many key international researchers in women's studies, draw on personal experiences of speaking "for" and "about" others in their research, professional practice, academic writing, or political activism. They highlight problems of representing the Other with an ethnic or cultural background different from one's own and extend discussions of "Othering" to (...) representations of children, prostitutes, infertile women, fat women, gay men with HIV/AIDS, and people with disabilities. The reader, which includes articles and discussions from four issues of the journal Feminism & Psychology, also features new pieces and an extensive editorial introduction. Representing the Other will be integral reading for students and academics in women's studies, gender studies, and feminist theory across a range of social science disciplines, including social psychology, sociology, anthropology, sociolinguistics, social policy, and political science. (shrink)

We present a high-level declarative programming language for representing argumentation schemes, where schemes represented in this language can be easily validated by domain experts, including developers of argumentation schemes in informal logic and philosophy, and serve as executable specifications for automatically constructing arguments, when applied to a set of assumptions. This new rule language for representing argumentation schemes is validated by using it to represent twenty representative argumentation schemes.

A speaker's use of a declarative sentence in a context has two effects: it expresses a proposition and represents the speaker as knowing that proposition. This essay is about how to explain the second effect. The standard explanation is act-based. A speaker is represented as knowing because their use of the declarative in a context tokens the act-type of assertion and assertions represent knowledge in what's asserted. I propose a semantic explanation on which declaratives covertly host a "know"-parenthetical. A speaker (...) is thereby represented as knowing the proposition expressed because that is the semantic contribution of the parenthetical. I call this view parentheticalism and defend that it better explains knowledge representation than alternatives. As a consequence of outperforming assertoric explanations, parentheticalism opens the door to eliminating the act-type of assertion from linguistic theorizing. (shrink)

Positing representations and operations on them as a way of explaining behavior was one of the major innovations of the cognitive revolution. Neuroscience and biology more generally also employ representations in explaining how organisms function and coordinate their behavior with the world around them. In discussions of the nature of representation, theorists commonly differentiate between the vehicles of representation and their content—what they denote. Many contentious debates in cognitive science, such as those pitting neural network models against symbol processing accounts, (...) have focused on the types of vehicles proposed for mental representation and whether they have the appropriate structure to succeed in bearing their contents. Philosophers, in contrast, have focused their debates on content and the particular way in which vehicles might bear content—that is, the process of representing rather than the format of representations. I will offer a novel answer to the question of how it is that a representation has content by focusing on the architecture of representation. My proposal is that representations occur in a particular type of mechanism—one in which a control system regulates a plant—and that we can gain traction on cognitive systems of representation by considering how this works in physical systems more generally. (shrink)

The work described in this report is motivated by the desire to test the expressive possibilities of action language C+. The Causal Calculator (CCalc) is a system that answers queries about action domains described in a fragment of that language. The Zoo World and the Traffic World have been proposed by Erik Sandewall in his Logic Modelling Workshop—an environment for communicating axiomatizations of action domains of nontrivial size. -/- The Zoo World consists of several cages and the exterior, gates between (...) them, and animals of several species, including humans. Actions in this domain include moving within and between cages, opening and closing gates, and mounting and riding animals. The Traffic World includes vehicles moving continuously between road crossings subject to a number of restrictions, such as speed limits and keeping a fixed safety distance away from other vehicles on the road. We show how to represent the two domains in the input language of CCalc, and how to use CCalc to test these representations. (shrink)

How is reality really manufactured? The idea of social construction has become a commonplace part of much social research, yet precisely what is constructed, how it is constructed, and what constructionism means are often left unclear or taken for granted. In this major work, Jonathan Potter explores the central themes raised by these questions. Representing Reality explores the different traditions in constructivist thought--including sociology of scientific knowledge; conversation analysis and ethnomethodology; and semiotics, poststructuralism, and postmodernism--to provide a lucid introduction to (...) several key strands of work that have overturned the way we think about facts and descriptions. Potter illustrates his points throughout with varied and engaging examples taken from newspaper stories, relationship counseling sessions, accounts of paranormal events, social workers' assessments of violent parents, informal talk between program organizers, political arguments, and everyday conversations. Representing Reality offers the student and scholar in social psychology, rhetoric and discourse, and related fields a critical introduction to constructivism. (shrink)

The four coauthors describe the twenty-five-year history of efforts of the Council of Learned Societies in Education (CLSE) to represent the interests of the social foundations of education in the National Council for Accreditation of Teacher Education (NCATE), including the evolution of CLSE into the Council for the Social Foundations of Education and its recent departure from NCATE after a quarter century of successful involvement. The coauthors, each personally supportive of foundational involvement in national accreditation, delineate advantages gained by both (...) CLSE and NCATE during the quarter century of involvement, while also describing concerns and arguments that have led to the current disassociation of the Council for Social Foundations of Education (CSFE) fromNCATE. The article concludes with suggestions for the future and the coauthors' hope that this history and chronicle will provide incentive for reinvolvement of the foundations in national accreditation circles. (shrink)

Dispositions and tendencies feature significantly in the biomedical domain and therefore in representations of knowledge of that domain. They are not only important for specific applications like an infectious disease ontology, but also as part of a general strategy for modelling knowledge about molecular interactions. But the task of representing dispositions in some formal ontological systems is fraught with several problems, which are partly due to the fact that Description Logics can only deal well with binary relations. The paper will (...) discuss some of the results of the philosophical debate about dispositions, in order to see whether the formal relations needed to represent dispositions can be broken down to binary relations. Finally, we will discuss problems arising from the possibility of the absence of realizations, of multi-track or multi-trigger dispositions and offer suggestions on how to deal with them. (shrink)

Ethical realists hold that our ethical concepts, thoughts, and claims are in the business of representing ethical reality, by representing evaluative or normative properties and facts as aspects of reality, and that such representations are at least sometimes accurate. Non-naturalist realists add the further claim that ethical properties and facts are ultimately non-natural, though they are nonetheless worldly. My aim is threefold: to elucidate the sort of representation involved in ethical evaluation on realist views; to clarify what exactly is represented (...) and how non-naturalism comes into the picture for non-naturalists; and to defend worldly non-naturalism against some objections. The first question addressed is how we should model evaluation on any realist view, which should in turn guide the identification of which properties and facts are credibly regarded as ‘evaluative’ ones. Then the question is: what role might non-natural properties and facts play, and how are they related to what is represented in ethical evaluation? Once that is clear, we will be in a position to answer certain objections to non-naturalist realism from Jackson, Gibbard, Bedke, and Dreier. I argue that the objections all mischaracterize the role played by non-natural properties and facts on plausible versions of non-naturalist realism. (shrink)

According to the Causal Theory of Memory, remembering a particular past event requires a causal connection between that event and its subsequent representation in memory, specifically, a connection sustained by a memory trace. The CTM is the default view of memory in contemporary philosophy, but debates persist over what the involved memory traces must be like. Martin and Deutscher argued that the CTM required memory traces to be structural analogues of past events. Bernecker and Michaelian, contemporary CTM proponents, reject structural (...) analogues in favor of memory traces as distributed patterns of event features. The proposals are understood as distinct accounts of how memory traces represent past events. But there are two distinct questions one could ask about a trace’s representational features. One might ask how memory traces, qua mental representations, have their semantic properties. Or, what makes memory traces, qua mental representations of memories, distinct from other mental representations. Proponents of the CTM, both past and present, have failed to keep these two questions distinct. The result is a serious but unnoticed problem for the CTM in its current form. Distributed memory traces are incompatible with the CTM. Such traces do not provide a way to track the causal history of individual memories, as the CTM requires. If memory traces are distributed patterns of event features, as Bernecker and Michaelian each claim, then the CTM cannot be right. (shrink)

In environmental ethics, the legal and political representation of non-humans is a widespread aspiration. Its supporters see representative institutions that give voice to non-humans' interests as a promising strategy for responding to the illegitimate worldwide exploitation of non-human beings. In this article I engage critically with those who support this form of representation, and address two issues central to any account concerned with the legal and political representation of non-human living beings: what should be represented? And what are the conditions (...) of such a representation? The answers I provide to these queries count as a first step towards a comprehensive account of the institutional representation of non-human nature. (shrink)

In this paper I wish to propose and defend a form of the Representative Theory of Perception. According to this version of the theory, when a subject perceives some object x to be in a state P1 he does so by being aware of some modfication M1 of some object E. The subject's way of perceiving any one of a range of objects x,y,z, … is that of being aware of some modification of E. It will be a necessary condition (...) of someone's perceiving x to have property P1 that E be modified in some way. And in order for the modifications of E to be representations, a given property P1 will need to be causally related, characteristically, to one or more specific modifications, M1,M2, … Mn, of E. symbolized by ‘X'.). (shrink)

Why do we represent the world around us using causal generalizations, rather than, say, purely statistical generalizations? Do causal representations contain useful additional information, or are they merely more efficient for inferential purposes? This paper considers the second kind of answer: it investigates some ways in which causal cognition might aid us not because of its expressive power, but because of its organizational power. Three styles of explanation are considered. The first, building on the work of Reichenbach in "The Direction (...) of Time", points to causal representation as especially efficient for predictive purposes in a world containing certain pervasive patterns of conditional independence. The second, inspired by work of Woodward and others, finds causal representation to be an excellent vehicle for representing all-important relations of manipulability. The third, based in part on my own work, locates the importance of causal cognition in the special role it reserves for information about underlying mechanisms. All three varieties of explanation show promise, but particular emphasis is placed on the third. (shrink)

This paper draws on nearly two decades of research on health consumer and patients’ organizations in the United Kingdom. In particular, it addresses questions of representation and legitimacy in the health policy process. HCPOs claim to represent the collective interests of patients and others such as relatives and carers. At times they also make claims to represent the wider public interest. Employing Pitkin’s classic typology of formalistic, descriptive, symbolic, and substantive representation, the paper explores how and in what sense HCPOs (...) represent their constituencies. We found that policymakers themselves are less concerned with formal mechanisms adopted by groups and are more concerned with credibility, in particular whether HCPOs carry the confidence of their constituents. While some concerns about legitimacy remain, particularly in relation to funding from commercial interests, we argue that HCPOs bring a unique perspective to the policy process and to focus purely on formalistic representation provides only a partial understanding of their representative role and a constrained view of their collective moral claims. (shrink)

What is the nature of, and what is the relationship between, external objects and our visual perceptual experience of them? In this book, Frank Jackson defends the answers provided by the traditional Representative theory of perception. He argues, among other things that we are never immediately aware of external objects, that they are the causes of our perceptual experiences and that they have only the primary qualities. In the course of the argument, sense data and the distinction between mediate and (...) immediate perception receive detailed defences and the author criticises attempts to reduce perceiving the believing and to show that the Representative theory makes the external world unknowable. Jackson recognises that his views are unfashionable but argues in detail that they are to be preferred to their currently favoured competitors. It will become an obvious point of reference for all future work on the philosophy of perception. (shrink)

In this paper I wish to propose and defend a form of the Representative Theory of Perception. According to this version of the theory, when a subject perceives some object x to be in a state P1 he does so by being aware of some modfication M1 of some object E. The subject's way of perceiving any one of a range of objects x,y,z, … is that of being aware of some modification of E. It will be a necessary condition (...) of someone's perceiving x to have property P1 that E be modified in some way. And in order for the modifications of E to be representations, a given property P1 will need to be causally related, characteristically, to one or more specific modifications, M1,M2, … Mn, of E. symbolized by ‘X'.). (shrink)

This paper examines the relationship between the critique of civilization, anti-imperialism, gender and representative government in the political thought of the neglected communist, environmentalist, and gay liberationist Edward Carpenter (1844–1929). In recent years, there has been a dramatic growth in the historical literatures on anti-imperialism and representative government, yet these two topics are rarely connected. Meanwhile, a voluminous literature on the concept of civilization and its role in British imperialism has largely ignored its role in justifying social and political domination (...) in Britain itself. Carpenter's writings on these topics are important because he offers a defense of the value of representative government that is grounded in his anti-imperialism. Furthermore, his critique of civilization led him to connect problems of social domination in India to the struggles of women, homosexuals, and the working class. These groups ought in turn to be enfranchised and given roles in the functioning of the state. (shrink)

The questions of what represents space-time in GR, the status of gravitational energy, the substantivalist-relationalist issue, and the exceptional status of gravity are interrelated. If space-time has energy-momentum, then space-time is substantival. Two extant ways to avoid the substantivalist conclusion deny that the energy-bearing metric is part of space-time or deny that gravitational energy exists. Feynman linked doubts about gravitational energy to GR-exceptionalism, as do Curiel and Duerr; particle physics egalitarianism encourages realism about gravitational energy. In that spirit, this essay (...) proposes a third possible view about space-time, one involving a particle physics-inspired non-perturbative split that characterizes space-time with a constant background _matrix_, a sort of vacuum value, thus avoiding the inference from gravitational _energy to substantivalism. On this proposal, space-time is, where eta=diag is a spatio-temporally constant numerical signature matrix, a matrix already used in GR with spinors. The gravitational potential, to which any gravitational energy can be ascribed, is g_{\mu\nu}- eta, an _affine_ geometric object with a tensorial Lie derivative and a vanishing covariant derivative. This non-perturbative split permits strong fields, arbitrary coordinates, and arbitrary topology, and hence is pure GR by almost any standard. This razor-thin background, unlike more familiar backgrounds, involves no extra gauge freedom and so lacks their obscurities and carpet lump-moving. After a discussion of Curiel's GR exceptionalist denial of the localizability of gravitational energy and his rejection of energy conservation, the two traditional objections to pseudotensors, coordinate dependence and nonuniqueness, are explored. Both objections are inconclusive and getting weaker. A literal interpretation involving infinitely many energies corresponding by Noether's first theorem to the infinite symmetries of the _action_ largely answers Schroedinger's false-negative coordinate dependence problem. Bauer's false-positive objection has multiple answers. Non-uniqueness might be handled by Nester et al.'s finding physical meaning in multiplicity in relation to boundary conditions, by an optimal candidate, or by Bergmann's identifying the non-uniqueness and coordinate dependence ambiguities as one. (shrink)

Recent work on the idea of political representation has challenged effectively orthodox accounts of constituency and interests. However, discussions of representation need to focus more on its dynamics prior to further work on its forms. To that end, the idea of the representative claim is advanced and defended. Focusing on the representative claim helps us to: link aesthetic and cultural representation with political representation; grasp the importance of performance to representation; take non-electoral representation seriously; and to underline the contingency and (...) contestability of all forms of representation. The article draws upon a range of sources and ideas to sketch a new, broader and more complex picture of the representative claim which — despite the complexity — helps us to reconnect representation theory to pressing real-world challenges. (shrink)

On a now orthodox view, humans and many other animals possess a “number sense,” or approximate number system, that represents number. Recently, this orthodox view has been subject to numerous critiques that question whether the ANS genuinely represents number. We distinguish three lines of critique – the arguments from congruency, confounds, and imprecision – and show that none succeed. We then provide positive reasons to think that the ANS genuinely represents numbers, and not just non-numerical confounds or exotic substitutes for (...) number, such as “numerosities” or “quanticals,” as critics propose. In so doing, we raise a neglected question: numbers of what kind? Proponents of the orthodox view have been remarkably coy on this issue. But this is unsatisfactory since the predictions of the orthodox view, including the situations in which the ANS is expected to succeed or fail, turn on the kind of number being represented. In response, we propose that the ANS represents not only natural numbers, but also non-natural rational numbers. It does not represent irrational numbers, however, and thereby fails to represent the real numbers more generally. This distances our proposal from existing conjectures, refines our understanding of the ANS, and paves the way for future research. (shrink)

It is usually held that representative government is not strictly democratic, since it does not allow the people themselves to directly make decisions. But here, taking as her guide Thomas Paine’s subversive view that “Athens, by representation, would have surpassed her own democracy,” Nadia Urbinati challenges this accepted wisdom, arguing that political representation deserves to be regarded as a fully legitimate mode of democratic decision making—and not just a pragmatic second choice when direct democracy is not possible. As Urbinati shows, (...) the idea that representation is incompatible with democracy stems from our modern concept of sovereignty, which identifies politics with a decision maker’s direct physical presence and the immediate act of the will. She goes on to contend that a democratic theory of representation can and should go beyond these identifications. Political representation, she demonstrates, is ultimately grounded in a continuum of influence and power created by political judgment, as well as the way presence through ideas and speech links society with representative institutions. Deftly integrating the ideas of such thinkers as Rousseau, Kant, Emmanuel Joseph Sieyès, Paine, and the Marquis de Condorcet with her own, Urbinati constructs a thought-provoking alternative vision of democracy. (shrink)

As a contribution to the challenge of building game-playing AI systems, we develop and analyse a formal language for representing and reasoning about strategies. Our logical language builds on the existing general Game Description Language and extends it by a standard modality for linear time along with two dual connectives to express preferences when combining strategies. The semantics of the language is provided by a standard state-transition model. As such, problems that require reasoning about games can be solved by the (...) standard methods for reasoning about actions and change. We also endow the language with a specific semantics by which strategy formulas are understood as move recommendations for a player. To illustrate how our formalism supports automated reasoning about strategies, we demonstrate two example methods of implementation: first, we formalise the semantic interpretation of our language in conjunction with game rules and strategy rules in the Situation Calculus; second, we show how the reasoning problem can be solved with Answer Set Programming. (shrink)