Perhaps the most popular and historically important way of responding to skepticism is by an appeal to non-inferential justification. A problem with this sort of response is that while it may constitute a response to skepticism, it does not constitute a response to the skeptic. At some point, the anti-skeptic must simply fall silent, resigned to the fact that his or her non-inferential justification for the belief challenged by the skeptic is not communicable. I want to point out a possible (...) solution to this problem. I will argue that, in certain circumstances, it is possible to adduce circular arguments which are nevertheless rationally persuasive, and that the anti-skeptic may employ these arguments in lieu of simply falling silent when a non-inferentially justified belief is challenged. The almost universal assumption among philosophers that epistemically circular arguments are rationally useless is mistaken, and this fact can be utilized by the clever anti-skeptic. (shrink)

This paper criticizes Kent Wilson's (`Circular Arguments', 1988) arguments against the analysis of the fallacy of begging the question in epistemic terms and against the division of the fallacy into equivalence and dependency types. It is argued that Wilson does not succeed in showing that the epistemic attitude to the fallacy analysis should be given up. Further, it is argued that Wilson's arguments against the division of the fallacy into two types can be overcome by altering (...) the accounts he criticizes (David Sanford (1971, 1984, 1988) and John Biro (1977, 1984)): fallacy analysis should concentrate on externalized arguments, but this does not mean that either the epistemic attitude or the dependency conception should be given up. (shrink)

This paper investigates in how far a theory of dialectical structures sheds new light on the old problem of giving a satisfying account of the fallacy of petitio principii, or begging the question. It defends that (i) circular argumentation on the one hand and petitio principii on the other hand are two distinct features of complex argumentation, and that (ii) it is impossible to make general statements about the defectiveness of an argumentation that exhibits these features. Such an argumentation, (...) in contrast, has to be evaluated on a case-by-case basis. “Petitio principii”, this paper thence suggests, is one name for, in fact, a multitude of different and quite complex dialectical situations which require specific analysis and evaluation. (shrink)

An argument whose conclusion C is essential evidence for one of its premises can provide its target audience with justification for believing C. This is possible because we can enhance our justification for believing a proposition C by integrating it into an explanatory network of beliefs for which C itself provides essential evidence. I argue for this in light of relevant features of doxastic circularity, epistemic circularity, and explanatory inferences. Finally, I confirm my argument with an example and respond to (...) objections. (shrink)

Humean accounts of natural lawhood have often been criticized as unable to account for the laws’ characteristic explanatory power in science. Loewer has replied that these criticisms fail to distinguish grounding explanations from scientific explanations. Lange has replied by arguing that grounding explanations and scientific explanations are linked by a transitivity principle, which can be used to argue that Humean accounts of natural law violate the prohibition on self-explanation. Lange’s argument has been sharply criticized by Hicks and van Elswyk, Marshall, (...) and Miller. This paper shows how Lange’s argument can withstand these criticisms once the transitivity principle and the prohibition on self-explanation are properly refined. The transitivity principle should be refined to accommodate contrasts in the explanans and explanandum. The prohibition on self-explanation should be refined so that it precludes a given fact p from helping to explain why some other fact q helps to explain why p. In this way, the transitivity principle avoids having counterintuitive consequences in cases involving macrostates having multiple possible microrealizations. The transitivity principle is perfectly compatible with the irreducibility of macroexplanations to microexplanations and with the diversity of the relations that can underwrite scientific explanations. (shrink)

Disagreement and debunking arguments threaten religious belief. In this paper, I draw attention to two types of propositions and show how they reveal new ways to respond to debunking arguments and disagreement. The first type of proposition is the epistemically self-promoting proposition, which, when justifiedly believed, gives one a reason to think that one reliably believes it. Such a proposition plays a key role in my argument that some religious believers can permissibly wield an epistemically circular argument (...) in response to certain debunking arguments. The second type of proposition is the epistemically others-demoting proposition, which, when justifiedly believed, gives one a reason to think that others are unreliable with respect to it. Such a proposition plays a key role in my argument that some religious believers can permissibly wield a question-begging argument to respond to certain types of disagreement. (shrink)

Open peer commentary on the article “Circularity and the Micro-Macro-Difference” by Manfred Füllsack. Upshot: I reconstruct two core notions, “observation” and “objectivity,” in order to raise some questions regarding their interpretation and relevancy for the target article’s main thesis. The main concern with “observation” is that its scope and applicability are not clear, while the notion of “objectivity” could be in conflict with other concepts and assumptions accepted by the author.

This paper criticizes the circularity reading of Frege's argument for the indefinability of truth. According to this reading, Frege is appealing to a sort of circularity in the argument. I argue that the circularity reading is interpretatively incorrect, or makes Frege's argument a non‐starter.

This book offers a new theory of begging the question as an informal fallacy, within a pragmatic framework of reasoned dialogue as a normative theory of critical argumentation. The fallacy of begging the question is analyzed as a systematic tactic to evade fulfillment of a legitimate burden of proof by the proponent of an argument. The technique uses a circular structure of argument to block the further progress of dialogue and, in particular, the capability of the respondent to ask (...) legitimate critical questions in reply to the argument. Walton analyzes the concept of burden of proof in argument, and provides chapters on the use of argument diagramming as a technique of argument reconstruction. This powerful method of argument analysis developed therein is then applied to more than 100 case studies of circular argumentation where the charge of begging the question is or has been thought to be an appropriate criticism. Throughout this work, Walton throws light on the relationship between the problem of circular reasoning and broader issues in the critical analysis of argumentation. Ground-breaking use is made of the pragmatic theory of argument as interactive dialogue. Rules for several kinds of dialogue framework provide standards of good reasoning to validate or to refute the criticism that a particular argument begs the question. This book is directed to students and professionals in the fields of speech communication, philosophy, linguistics, logic, dispute mediation, and education. (shrink)

Sometimes pernicious circularities appear in definitions of fundamental concepts of argumentation theory. For instance, in pragma-dialectical theory, the concept of a fallacy and that of a critical discussion aiming at resolving a difference of opinion mutually presuppose one another. A similar relationship obtains, in argumentation theory at large, between the concept of argumentation and that of rationality. Again, the concept of an argumentative dialogue presupposes a concept of statement. Yet, statementhood is sometimes claimed to be determined by a locution’s function (...) in dialogue. Similarly, for the concepts of proof and argument. Are these circularities really objectionable? Are they resolvable? If they are not, how can we live with them? It will be argued that some of these problems can be neglected some of the time, but not all of them all of the time. Though there may be no royal road towards resolution, several strategies can be applied. But sometimes patience is what is needed. (shrink)

A common justification for abortion rights is that the death of the fetus does not violate any of the fetus’s time-relative interests. The time-relative interest account (TRIA) of harm and wrongdoing tells us that a necessary condition for harming someone is that his or her time-relative interests are frustrated. Regarding the justification for abortion, this account falls prey to impairment arguments. Impairment arguments entertain cases of prenatal injury, such as the mother using illicit drugs that disable the child. (...) The intuition is that the child who is born with such disabilities is harmed by the mother’s drug use. But it is unclear what time-relative interest is violated in cases of prenatal harm. Typical responses to impairment arguments point out that the abortion case is different because the child does not exist to experience such harms; but in prenatal injury + survival cases, the child does live to experience those harms. Thus, the TRIA justification for abortion is not impugned by impairment counter-examples. This article argues that this response to impairment arguments is viciously circular. The response must say that so long as you kill the child, no harm is done. But this assumes that killing itself is morally inconsequential and is not itself a case of harm. The response to impairment arguments, then, assumes the permissibility of abortion. (shrink)

Epistemically circular arguments have been receiving quite a bit of attention in the literature for the past decade or so. Often the goal is to determine whether reliabilists (or other foundationalists) are committed to the legitimacy of epistemically circular arguments. It is often assumed that epistemic circularity is objectionable, though sometimes reliabilists accept that their position entails the legitimacy of some epistemically circular arguments, and then go on to affirm that such arguments really (...) are good ones. My goal in this paper is to argue against the legitimacy of epistemically circular arguments. My strategy is to give a direct argument against the legitimacy of epistemically circular arguments, which rests on a principle of basis-relative safety, and then to argue that reliabilists do not have the resources to resist the argument. I argue that even if the premises of an epistemically circular argument enjoy reliabilist justification, the argument does not transmit that justification to its conclusion. The main goal of my argument is to show that epistemic circularity is always a bad thing, but it also has the positive consequence that reliabilists are freed from an awkward commitment to the legitimacy of some intuitively bad arguments. (shrink)

According to Bird’s Naïve Dispositional Monism, all properties are powers, and are individuated by their manifestations. Lowe has famously challenged the position with an individuation regress or circularity argument. Bird has then offered a structuralist side-step in the form of Structuralist Dispositional Monism, according to which powers are individuated through the unique position they occupy in an asymmetric power-structure. However, Structuralist Dispositional Monism has been argued to be just as problematic as Naïve Dispositional Monism, if not more so.I argue that (...) the debate is severely flawed to the extent that it relies on Lowe’s standard characterization of metaphysical individuation as a binary relation between objects. I will argue against this characterization in favor of a different one, either as a standard or sui generis explanatory relation of individuality facts. In the former case, Naïve Dispositional Monism is clear of all charges previously raised against it; whereas in the latter case, Structuralist Dispositional Monism works just fine; Structuralist Dispositional Monism may ultimately be argued to the be the superior option. Either way, the status of Dispositional Monism, vis à vis individuation circularities, is not as compromised as some have claimed—and Lowe’s intended way out (viz., allow for some non-power to eventually break the circularity) loses much of its appeal. (shrink)

Within the context of the Quine–Putnam indispensability argument, one discussion about the status of mathematics is concerned with the ‘Enhanced Indispensability Argument’, which makes explicit in what way mathematics is supposed to be indispensable in science, namely explanatory. If there are genuine mathematical explanations of empirical phenomena, an argument for mathematical platonism could be extracted by using inference to the best explanation. The best explanation of the primeness of the life cycles of Periodical Cicadas is genuinely mathematical, according to Baker (...) :223–238, 2005; Br J Philos Sci 60:611–633, 2009). Furthermore, the result is then also used to strengthen the platonist position :779–793, 2017a). We pick up the circularity problem brought up by Leng Mathematical reasoning, heuristics and the development of mathematics, King’s College Publications, London, pp 167–189, 2005) and Bangu :13–20, 2008). We will argue that Baker’s attempt to solve this problem fails, if Hume’s Principle is analytic. We will also provide the opponent of the Enhanced Indispensability Argument with the so-called ‘interpretability strategy’, which can be used to come up with alternative explanations in case Hume’s Principle is non-analytic. (shrink)

In this essay, I consider an evolutionary debunking argument (EDA) that purports to undermine the epistemic justification of the belief in the reliability of our belief-forming processes, and an evolutionary vindicating argument (EVA) that seeks to establish that such a belief is epistemically justified. Whereas the EDA in question seems to fall prey to crippling self-defeat, the EVA under consideration seems to fall prey to vicious circularity. My interest in those arguments and the problems they face lies in what (...) they might tell us about the possibly aporetic nature of reason. For, if we take the EDA and the EVA in question to consist of true or plausible premises and valid inferences at which we arrive through a meticulous use of reason, then their falling victim to either crippling self-defeat or vicious circularity might be regarded as a sign that, when we push rational reflection on the reliability, or lack thereof, of our belief-forming capacities to the limit, we end up in a situation of aporia from which there seems to be no escape. (shrink)

Hasker’s claim that my modal argument for substance dualism is epistemically circular is implausible. Someone can accept Premise 2 (which, Hasker claims, is the premise which generates the circularity) without ever understanding the conclusion, or without accepting Premise 3.

In the second chapter of his Modality, Probability and Rationality, James Sennett argues that Plantinga’s famed S5 Modal Argument (hereafter “MA”) for the existence of an unsurpassably great being is objectionably circular since it’s impossible for one to understand the premises of Plantinga’s MA without understanding these premises to logically entail its conclusion. That is to say, Sennett’s charge is that Plantinga’s MA is circular since there is no understanding of the premises of Plantinga’s MA that is independent (...) of its conclusion. In this paper I argue that Sennett has shown no such thing and that, contrary to strong prima facie appearances, there is an understanding of the premises of Plantinga’s MA that is independent of its conclusion. Consequently, Plantinga’s MA is not circular inthe way that Sennett alleges. (shrink)

The aim of this paper is to provide a model that allows the representation and analysis of circularity in ethotic structures, i.e. in communication structures related to the speaker’s character and in particular, his credibility. The paper studies three types of cycles: in self-referential sentences, embedded testimony and ethotic begging the question. It is shown that standard models allow the reconstruction of the circularities only if those circular utterances are interpreted as ethotic arguments. Their alternative, assertive interpretation requires (...) enriching the existing models with a purely ethotic component related to the credibility of the performer of any (not necessarily argumentative) speech act. (shrink)

Research on epistemic circularity has focused more on the problem of whether circular arguments are able to justify their conclusions rather than on the nature of circularity itself, and has kept a sharp delimitation from other types of circularities (logical, linguistic, and of definition). In this paper, I aim to move the focus toward the general concept of circularity, which I relate to the concept of ‘epistemic worry’. Through a brief overview on the known types of circularities, I (...) show that circularity has multiple natures (not only that associated with its type), and the linguistic aspect is essential in qualifying a construct as circular, which in turn raises the problem of genuineness of a circularity. Within an extensional approach, I suggest generalizing the meaning of the key epistemological terms referred to in the classical definition of epistemic circularity to also cover additional associated concepts specific to other theoretical disciplines beyond epistemology. The proposed concepts and ideas are reflected in a structural unificatory account of circularity in terms of epistemic determination, which raises a challenge to the relational accounts of determination in regard to the transitivity of the determination relation. (shrink)

David Miller claims that every valid deductive argument begs the question. Other philosophers and logicians have made similar claims. I show that the claim is false. Its appeal depends on the existence of logical terminology, particularly concerning what a proposition 'contains' or its 'logical content,' that is best understood as metaphoric and that, given its aptness to mislead, would be better eschewed. I show how the terminology appears to derive from early modern theories of the nature of mind, ideas and (...) reasoning that have since been rejected. (shrink)

Although Alston believed epistemically circular arguments were able to justify their conclusions, he was also disquieted by them. We will argue that Alston was right to be disquieted. We explain Alston’s view of epistemic circularity, the considerations that led him to accept it, and the purposes he thought epistemically circular arguments could serve. We then build on some of Alston’s remarks and introduce further limits to the usefulness of such arguments and introduce a new problem (...) that stems from those limits. The upshot is that adopting Alston’s view that epistemically circular arguments can be used to justify their conclusions is more costly than even he thought. (shrink)

Good informal arguments offer justification for their conclusions. They go wrong if the justifications double back, rendering the arguments circular. Circularity, however, is not necessarily a single property of an argument, but may depend on (a) whether the argument repeats an earlier claim, (b) whether the repetition occurs within the same line of justification, and (c) whether the claim is properly grounded in agreed‐upon information. The experiments reported here examine whether people take these factors into account in (...) their judgments of whether arguments are circular and whether they are reasonable. The results suggest that direct judgments of circularity depend heavily on repetition and structural role of claims, but only minimally on grounding. Judgments of reasonableness take repetition and grounding into account, but are relatively insensitive to structural role. (shrink)

In this paper, I propose a critique of the naturalist version of the Desire-Based Reasons Model. I first set the scene by spelling out the connection between naturalism and the Model. After this, I introduce Christine Korsgaard’s circularity argument against what she calls the instrumental principle. Since Korsgaard’s targets, officially, were non-naturalist advocates of the principle, I show why and how the circularity charge can be extended to cover the naturalist Model. Once this is done, I go on to investigate (...) in some detail the different ways of responding to the circularity challenge. I argue that none of these responses succeed, at least not without serious costs to their advocates. I then end the paper with a brief summary and some concluding remarks. (shrink)

In this article, we address why our management of the economy, community and business has led to global warming and we discuss the importance of worldviews, ontology, epistemology and axiology in the search for alternative paths of development. We do this by focusing on the concept of Circular Economy. Circular Economy is often presented as a solution to the problems of a globalized economy in the form of over-exploitation of resources, climate change and pollution of the environment. Within (...) the mainstream economics paradigm, the aim is how to increase the effectiveness of resource extraction and utilization in order to maintain growth. We contrast this with the paradigm of Ecological Economics where the goal of the economy is to achieve and secure a higher quality of life. Circular Economy often side steps the deep ontological and epistemological questions we need to answer if we are to address the complex and interrelated environmental, economic and social problems we face today. This can be a limiting factor in the search for creative and long-term solutions. However, within the Circular Economy discourse, we find strands that critically engage with the foundations of mainstream Economics and so, innovative solutions for the society of the future are a possibility. We argue that to bring about a lasting solution to the interconnected social, economic and environmental problems, Circular Economy must engage with the ontological, epistemological and axiological foundations of mainstream economics. To further this argument, we apply Imre Lakatos’ ‘research program’ model to philosophy of science as our framework of analysis and draw lessons for business and communities. (shrink)

It would seem that an epistemic framework can be justified only by means of a non-circular argument that establishes its truth-conduciveness. The problem of epistemic circularity suggests that no such argument is possible. Externalists and particularists have addressed the problem of scepticism by claiming that epistemically circular arguments can establish the truth-conduciveness of a framework’s epistemic methods. However, since these arguments are available for a good many frameworks, this response does nothing to answer the threat of (...) epistemic relativism. The purpose of this paper is to offer a non-circular argument in favour of naturalistic epistemic frameworks, and therefore against epistemic relativism. The argument establishes that non-naturalistic frameworks depend on naturalistic methods for their application, and therefore, they cannot be more truth-conducive than naturalistic frameworks. This argument does not establish that naturalistic frameworks are truth-conducive, but it does provide a ra.. (shrink)

RésuméLa critique kantienne de la psychologie rationnelle est une expérience de pensée visant ni un individu ni une école, mais une tendance de la raison humaine à « hypostasier » la condition intellectuelle suprême d'une connaissance quelconque (le « Je pense ») en connaissance du « moi ». Cette tendance implique une circularité qui est également la cible des critiques transcendantales bien plus familières qui visent Locke et Hume. De même qu'un nouveau type de cercle (dit « de niveau »), (...) cet article propose une conception des arguments transcendantaux différente de celle présupposée dans la plupart des débats contemporains sur l'empirisme, le naturalisme et le fondationnalisme cartésien. (shrink)

One finds a surprising number of defenses of the legitimacy of some kinds of question-begging arguments or beliefs in the literature. Without wanting to deny the importance of dialectical analyses of begging the question, what I do here is explore the epistemic side of the issue. In particular, I want to explore the legitimacy of “epistemically circular” arguments and beliefs. My tentative conclusion is that epistemically circular arguments and beliefs are never legitimate. *Note: this is (...) an unpublished manuscript presented at the 2011 conference of the Ontario Society for the Study of Argumentation. A copy of the manuscript is hosted at the OSSA conference archive, linked above. Some of the central ideas in this paper appear in my "Epistemic Circularity, Reliabilism, and Transmission Failure," Episteme (2014). (shrink)

It is often argued that the combination of deflationism about truth and the truth-conditional theory of meaning is impossible for reasons of circularity. I distinguish, and reject, two strains of circularity argument. Arguments of the first strain hold that the combination has a circular account of the order in which one comes to know the meaning of a sentence and comes to know its truth condition. I show that these arguments fail to identify any circularity. Arguments (...) of the second strain hold that the combination has a circular explanation of the ideas or concepts of meaning and truth. I show that these arguments identify a genuine, but acceptable, circularity. (shrink)

Humean accounts of natural law have long been charged with being unable to account for the laws’ explanatory power in science. One form of this objection is to charge Humean accounts with explanatory circularity: a fact in the Humean mosaic helps to explain why some regularity is a law (first premise), but that law, in turn, helps to explain why that mosaic fact holds (second premise). To this objection, Humeans have replied that the explanation in the first premise is metaphysical (...) whereas the explanation in the second premise is scientific, so (since these two varieties of explanation operate very differently) the two explanations cannot be chained together to yield explanatory circularity. This paper presents a new circularity argument that avoids this objection because both explanations in the premises are metaphysical. The new circularity argument also avoids the objection that the contrasts at the point where the two explanations are chained together fail to line up properly. The upshot is to leave the Humean account of law with two unattractive options: to regard scientific explanation under natural law as not constituting genuine explanation at all or to regard the Humean account as involving a vicious explanatory circularity. (shrink)

This paper discusses some of the ways in which circular definitions and circular explanations entail or fail to entail infinite regresses. And since not all infinite regresses are vicious, a few criteria of viciousness are examined in order to determine when the entailment of a regress refutes a circular definition or a circular explanation.

The thesis of this paper is that philosophers are often too hasty in rejecting justifications because the argument that yields the justification is circular. Circularity is distinguished from vicious circularity and several examples are examined in which a proposed justification is circular in a precise sense, but not viciously circular. These include an observational procedure which could yield a velocity in excess of the velocity of light even though the impossibility of such velocities is assumed at a (...) key step in analyzing the data, and an argument that uses a specific argument form to show that that form is invalid. (shrink)

There are possible worlds in which time is circular and finite in duration, forming a loop of, say, 12,000 years. There are also possible worlds in which time is linear and infinite in both directions, and in which history is repetitive, consisting of infinitely many 12,000 year epochs, each two of which are exactly alike with respect to all intrinsic, purely qualitative properties. Could one ever have empirical evidence that one inhabits a world of the first kind rather than (...) a world of the second kind? We argue for the affirmative answer, contra Quine (1979), Newton-Smith (1980), and Bergström (2013). Our argument for that conclusion differs from an argument for the same conclusion due to Susan Weir, reported by Richard Sorabji (1988). Weir’s argument is probabilistic and explicitly requires having evidence against determinism. Our argument is a direct appeal to the simplicity of laws, and it involves no probabilistic component. It is modeled on Shoemaker’s (1969) argument that one could have evidence of time without change. (shrink)

I develop a syntactic concept of circularity, which I call propositional circularity. With respect to a given use of an argument advanced as a statement of inference for the benefit of a reasoner R, if the direct and indirect premises R would have to accept in order to accept the conclusion includes the conclusion, then the collection of premises is propositionally circular. The argument fails to display a type of inference that R can perform. Appealing to propositional circularity, I (...) articulate a sufficient condition for a use of an argument to beg the question, highlighting why question-begging is a defect. (shrink)

According to intentionalism, a demonstrative d refers to an object o only if the speaker intends d to refer to o. Intentionalism is a popular view in metasemantics, but Gauker has recently argued that it is circular. We defend intentionalism against this objection, by showing that Gauker’s argument rests on a misconstrual of the aim of metasemantics. We then introduce two related, but distinct circularity objections: the worry that intentionalism is uninformative, and the problem of intentional bootstrapping, according to (...) which it is impossible to have referential intentions. We also show how intentionalists could respond to these new objections. (shrink)

Recently, Kieran Setiya suggested that we might respond to evolutionary debunking arguments by arguing that, even if we cannot explain our reliability in ethics, we might justify believing ourselves reliable using a track record argument. Not surprisingly, several critics have claimed that this response is circular. I consider two senses in which they might be right, concluding that, though Setiya’s argument does not beg the question, it is epistemically circular. Perhaps surprisingly, its epistemic circularity need not prevent (...) Setiya’s argument from justifying its conclusion; nevertheless, I argue, reflection on this issue helps to bring out why realists would do well to eschew the strategy Setiya explores, focusing instead on showing that there is a suitable explanatory connection between our ethical beliefs and the facts. (shrink)

Can we show that our senses are reliable sources of information about the world? To show this, we need to establish that most of our perceptual judgments have been true. But we cannot determine these inductive instances without relying upon sense perception. Thus, it seems, we cannot establish the reliability of sense perception by means of an argument without falling into epistemic circularity. In this paper, I argue that this consequence is not an epistemological disaster. For this purpose, I defend (...) a normative claim that it is reasonable to accept the general reliability of our perceptual judgments, instead of a factual claim that our perceptual judgments are generally reliable. More specifically, I offer a normative practical argument which explains why it is reasonable to accept the general reliability of our perceptual judgments, even though we cannot establish the general reliability of our perceptual judgments by means of theoretical reasoning. (shrink)

Epistemic circularity is a problem of arguments purporting to establish the reliability of our different sources of belief‐acquisition. For example:(TRA)At t1, S formed the perceptual belief that p, and p.At t2, S formed the perceptual belief that q, and q.At t3, …Therefore, sense perception is reliable source of beliefs.The problem is that any arguer putting forth this argument is ompelled to rely on the thing to be proven in establishing the second conjuncts of each premise. But relying on the (...) thing to be proven is begging the question; therefore, the argument is fallacious. This has been argued to have serious skeptical implications: if there is no other way to establish the conclusion, we have no way of showing the reliability of, e.g., sense perception. Different authors have tried to resist this result. Frederick F. Schmitt (2004) argues that sense perception skepticism only follows from epistemic circularity if certain questionable assumptions are granted. He also argues that epistemic circularity is a specific type of circularity that is not vicious in the way logically circular arguments are. I argue thatSchmitt’s dismissal of the discussed assumptions is questionable and that the argument (TRA) is viciously circular under very minimal assumptions about inferential justification. Therefore, Schmitt fails to dissolve the problematic nature of (TRA). (shrink)

In Posterior Analytics 1.3, Aristotle advances three arguments against circular proof. The third argument relies on his discussion of circular proof in Prior Analytics 2.5. This is problematic because the two chapters seem to deal with two rather disparate conceptions of circular proof. In Posterior Analytics 1.3, Aristotle gives a purely propositional account of circular proof, whereas in Prior Analytics 2.5 he gives a more complex, syllogistic account. My aim is to show that these problems (...) can be solved, and that Aristotle’s third argument in 1.3 is successful. I argue that both chapters are concerned with the same conception of circular proof, namely the propositional one. Contrary to what is often thought, the syllogistic conception provides an adequate analysis of the internal deductive structure of the propositional one. Aristotle achieves this by employing a kind of multiple-conclusion logic. (shrink)