Results for 'Counterexample search'

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  1.  78
    Counterexample Search in Diagram‐Based Geometric Reasoning.Yacin Hamami, John Mumma & Marie Amalric - 2021 - Cognitive Science 45 (4):e12959.
    Topological relations such as inside, outside, or intersection are ubiquitous to our spatial thinking. Here, we examined how people reason deductively with topological relations between points, lines, and circles in geometric diagrams. We hypothesized in particular that a counterexample search generally underlies this type of reasoning. We first verified that educated adults without specific math training were able to produce correct diagrammatic representations contained in the premisses of an inference. Our first experiment then revealed that subjects who correctly (...)
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  2.  27
    Rationality, memory and the search for counterexamples.J. Oakhill - 1985 - Cognition 20 (1):79-94.
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  3.  34
    Models, necessity, and the search for counterexamples.P. N. Johnson-Laird & Ruth M. J. Byrne - 1994 - Behavioral and Brain Sciences 17 (4):775-777.
  4. A Counterexample to Three Imprecise Decision Theories.Seamus Bradley - 2018 - Theoria 85 (1):18-30.
    There is currently much discussion about how decision making should proceed when an agent's degrees of belief are imprecise; represented by a set of probability functions. I show that decision rules recently discussed by Sarah Moss, Susanna Rinard and Rohan Sud all suffer from the same defect: they all struggle to rationalize diachronic ambiguity aversion. Since ambiguity aversion is among the motivations for imprecise credence, this suggests that the search for an adequate imprecise decision rule is not yet over.
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  5.  94
    Review: Kerstein, Kant's Search for the Supreme Principle of Morality (review).Jane Kneller - 2003 - Journal of the History of Philosophy 41 (4):564-565.
    In lieu of an abstract, here is a brief excerpt of the content:Journal of the History of Philosophy 41.4 (2003) 564-565 [Access article in PDF] Samuel J. Kerstein. Kant's Search for the Supreme Principle of Morality. New York: Cambridge University Press, 2002. Pp. xiv + 226. Cloth, $60.00. Summed up in a sentence, this book is both a critical examination of Kant's claim to have derived a supreme moral principle and a limited defense of Kant's project that appears to (...)
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  6.  18
    Rethinking Social Action through Music: The Search for Coexistence and Citizenship in Medellín’s Music Schools by Geoffrey Baker (review).Kim Boeskov - 2023 - Philosophy of Music Education Review 31 (1):92-98.
    In lieu of an abstract, here is a brief excerpt of the content:Reviewed by:Rethinking Social Action through Music: The Search for Coexistence and Citizenship in Medellín’s Music Schools by Geoffrey BakerKim BoeskovGeoffrey Baker: Rethinking Social Action through Music: The Search for Coexistence and Citizenship in Medellín’s Music Schools (Cambridge, UK: Open Book Publishers, 2021)If indeed there exists, as Geir Johansen has proposed,1 a self-critical movement within the field of music education, Geoffrey Baker is undoubtedly one of its leading (...)
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  7. Plans And Decisions.John L. Pollock - 2004 - Theory and Decision 57 (2):79-107.
    Counterexamples are constructed for classical decision theory, turning on the fact that actions must often be chosen in groups rather than individually, i.e., the objects of rational choice are plans. It is argued that there is no way to define optimality for plans that makes the finding of optimal plans the desideratum of rational decision-making. An alternative called “locally global planning” is proposed as a replacement for classical decision theory. Decision-making becomes a non-terminating process without a precise target rather than (...)
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  8. Reply to Freedman.Richard Scheines - unknown
    In Causation, Prediction, and Search, we undertook a three part project. First, we characterized when causal models are indistinguishable by population conditional independence relations under several different assumptions relating causality to probability. Second, we proposed a number of algorithms that take sample data and optional background knowledge as input, and output a class of causal models compatible with the data and the background knowledge; the algorithms were accompanied by proofs of their correctness given assumptions that were clearly stated in (...)
     
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  9.  72
    Syllogistic inference.P. N. Johnson-Laird & Bruno G. Bara - 1984 - Cognition 16 (1):1-61.
    This paper reviews current psychological theories of syllogistic inference and establishes that despite their various merits they all contain deficiencies as theories of performance. It presents the results of two experiments, one using syllogisms and the other using three-term series problems, designed to elucidate how the arrangement of terms within the premises affects performance. These data are used in the construction of a theory based on the hypothesis that reasoners construct mental models of the premises, formulate informative conclusions about the (...)
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  10. Logic as Know-How: Toward a Reconception of Logic.Michael Lee Kelly - 1992 - Dissertation, The Florida State University
    Over the past two or three decades there has arisen a fairly widespread dissatisfaction with the usefulness of the formal logical techniques of Frege and Russell for teaching the evaluation of reasoning in natural language. The problem with these formal methods, I argue, lies in certain questionable presuppositions that underlie these methods. ;My own case will rest mainly on the following three claims: first, that the millennia old belief that there are two fundamentally different types of argument, viz., induction and (...)
     
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  11.  13
    O zasadzie racji dostatecznej.Jacek Wojtysiak - 2006 - Roczniki Filozoficzne 54 (1):179-214.
    The aim of this paper is to defend the Principle of Sufficient Reason (PSR). I analyse various versions of this principle (and their structure) and various ways of justifying it. Then I present and attempt to challenge some counterexamples allegedly refuting a universal application of the PSR. One can distinguish three versions of the PSR: for each state of affairs there is a sufficient reason for its obtaining (PSR-O); for each true proposition there is a direct or indirect justification (PSR-E); (...)
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  12. Evidence-Seeking as an Expression of Faith.Katherine Dormandy - 2018 - American Catholic Philosophical Quarterly 92 (3):409-428.
    Faith is often regarded as having a fraught relationship with evidence. Lara Buchak even argues that it entails foregoing evidence, at least when this evidence would influence your decision to act on the proposition in which you have faith. I present a counterexample inspired by the book of Job, in which seeking evidence for the sake of deciding whether to worship God is not only compatible with faith, but is in fact an expression of great faith. One might still (...)
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  13. Squeezing arguments.P. Smith - 2011 - Analysis 71 (1):22-30.
    Many of our concepts are introduced to us via, and seem only to be constrained by, roughand-ready explanations and some sample paradigm positive and negative applications. This happens even in informal logic and mathematics. Yet in some cases, the concepts in question – although only informally and vaguely characterized – in fact have, or appear to have, entirely determinate extensions. Here’s one familiar example. When we start learning computability theory, we are introduced to the idea of an algorithmically computable function (...)
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  14.  65
    Strategies in Syllogistic Reasoning.Monica Bucciarelli & P. N. Johnson-Laird - 1999 - Cognitive Science 23 (3):247-303.
    This paper is about syllogistic reasoning, i.e., reasoning from such pairs of premises as, All the chefs are musicians; some of the musicians are painters. We present a computer model that implements the latest account of syllogisms, which is based on the theory of mental models. We also report four experiments that were designed to test this account. Experiments 1 and 2 examined the strategies revealed by the participants' use of paper and pencil as aids to reasoning. Experiment 3 used (...)
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  15.  97
    Policymaking under scientific uncertainty.Joe Roussos - 2020 - Dissertation, London School of Economics
    Policymakers who seek to make scientifically informed decisions are constantly confronted by scientific uncertainty and expert disagreement. This thesis asks: how can policymakers rationally respond to expert disagreement and scientific uncertainty? This is a work of non-ideal theory, which applies formal philosophical tools developed by ideal theorists to more realistic cases of policymaking under scientific uncertainty. I start with Bayesian approaches to expert testimony and the problem of expert disagreement, arguing that two popular approaches— supra-Bayesianism and the standard model of (...)
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  16. What a Rational Parser Would Do.John T. Hale - 2011 - Cognitive Science 35 (3):399-443.
    This article examines cognitive process models of human sentence comprehension based on the idea of informed search. These models are rational in the sense that they strive to find a good syntactic analysis quickly. Informed search derives a new account of garden pathing that handles traditional counterexamples. It supports a symbolic explanation for local coherence as well as an algorithmic account of entropy reduction. The models are expressed in a broad framework for theories of human sentence comprehension.
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  17.  54
    Functional explanations and natural norms.Carolyn Price - 1995 - Ratio 8 (2):143-160.
    In this paper, I try to develop an account of functions which might be of use to a biologist engaged in classifying and explaining natural phenomena. The most pressing difficulty facing such an account is the need to reconcile the normativity of function statements with their explanatory force. I consider two familiar accounts of function statements, offered by Andrew Woodfield and Larry Wright . I examine both accounts in search of the strongest possible formulation of each type of theory. (...)
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  18. An Oblique Epistemic Defence of Conceptual Analysis.Alexander S. Harper - 2012 - Metaphilosophy 43 (3):235-256.
    This article argues, against contemporary experimentalist criticism, that conceptual analysis has epistemic value, with a structure that encourages the development of interesting hypotheses which are of the right form to be valuable in diverse areas of philosophy. The article shows, by analysis of the Gettier programme, that conceptual analysis shares the proofs and refutations form Lakatos identified in mathematics. Upon discovery of a counterexample, this structure aids the search for a replacement hypothesis. The search is guided by (...)
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  19. The possibility of doubt as an imperative of criticism in Husserl's phenomenology.Piotr Łaciak - 2025 - Ruch Filozoficzny 80 (3):5-24.
    In Husserl's phenomenology, the concept of evidence remains inextricably linked with the concept of the possibility of doubt, because this possibility is the condition for distinguishing between the apodictic nature of transcendental experience and the non-apodictic nature of the experience of the world. The phenomenological method is aimed at checking the degree of validity of all knowledge by searching for its possible alternatives or counterexamples, and if all previous attempts at such a search end in failure, we are dealing (...)
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  20.  66
    A Defence of Sentiments: Emotions, Dispositions, and Character.Hichem Naar - unknown
    Contemporary emotion research typically takes the phenomenon of emotion to be exhausted by a class of mental events that are intentional, conscious, and related to certain sorts of behaviour. Moreover, other affective phenomena, such as moods, are also considered to be relatively short-term, episodic, or occurrent states of the subject undergoing them. Emotions, and other putative emotional phenomena that common-sense takes as long-lasting, non-episodic, or dispositional are things that both philosophers and scientists sometimes recognise, but that are relatively neglected in (...)
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  21.  45
    No free theory choice from machine learning.Bruce Rushing - 2022 - Synthese 200 (5):1-21.
    Ravit Dotan argues that a No Free Lunch theorem from machine learning shows epistemic values are insufficient for deciding the truth of scientific hypotheses. She argues that NFL shows that the best case accuracy of scientific hypotheses is no more than chance. Since accuracy underpins every epistemic value, non-epistemic values are needed to assess the truth of scientific hypotheses. However, NFL cannot be coherently applied to the problem of theory choice. The NFL theorem Dotan’s argument relies upon is a member (...)
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  22. Crime, Compassion, and The Reader.John E. MacKinnon - 2003 - Philosophy and Literature 27 (1):1-20.
    In lieu of an abstract, here is a brief excerpt of the content:Philosophy and Literature 27.1 (2003) 1-20 [Access article in PDF] Crime, Compassion, and The Reader John E. MacKinnon IN "WRITING AFTER AUSCHWITZ," Günter Grass describes how at the age of seventeen he stubbornly refused to believe the evidence arrayed before him and his classmates of Nazi atrocities, the photographs showing piles of eyeglasses, shoes, hair, and bones. "Germans never could have done, never did do a thing like that," (...)
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  23.  19
    224 current periodical articles.Mark Counterexamples - 1996 - Phronesis 41 (2).
  24. Counterexamples and Proexamples.J. Corcoran - 2005 - Bulletin of Symbolic Logic 11:460.
    Corcoran, J. 2005. Counterexamples and proexamples. Bulletin of Symbolic Logic 11(2005) 460. -/- John Corcoran, Counterexamples and Proexamples. Philosophy, University at Buffalo, Buffalo, NY 14260-4150 E-mail: corcoran@buffalo.edu Every perfect number that is not even is a counterexample for the universal proposition that every perfect number is even. Conversely, every counterexample for the proposition “every perfect number is even” is a perfect number that is not even. Every perfect number that is odd is a proexample for the existential proposition (...)
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  25. A Counterexample to the Uniqueness Thesis.Matthew Kopec - 2015 - Philosophia 43 (2):403-409.
    In this essay, I present a straightforward counterexample to the Uniqueness Thesis, which holds, roughly speaking, that there is a unique rational response to any particular body of evidence.
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  26. A Counterexample to Modus Tollens.Seth Yalcin - 2012 - Journal of Philosophical Logic 41 (6):1001-1024.
    This paper defends a counterexample to Modus Tollens, and uses it to draw some conclusions about the logic and semantics of indicative conditionals and probability operators in natural language. Along the way we investigate some of the interactions of these expressions with 'knows', and we call into question the thesis that all knowledge ascriptions have truth-conditions.
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  27. A counterexample to the Stalnaker-Lewis analysis of counterfactuals.Pavel Tichý - 1976 - Philosophical Studies 29 (4):271 - 273.
  28. (1 other version)Counterexamples to the transitivity of better than.Stuart Rachels - 1998 - Australasian Journal of Philosophy 76 (1):71 – 83.
    Ethicists and economists commonly assume that if A is all things considered better than B, and B is all things considered better than C, then A is all things considered better than C. Call this principle Transitivity. Although it has great conceptual, intuitive, and empirical appeal, I argue against it. Larry S. Temkin explains how three types of ethical principle, which cannot be dismissed a priori, threaten Transitivity: (a) principles implying that in some cases different factors are relevant to comparing (...)
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  29. The Counterexample Method and Armchair Philosophy.Peyman Pourghannad & Davood Hosseini - manuscript
    According to a bedrock assumption in the current methodology of armchair philosophy, we may refute a theory aiming at analyzing a concept by providing a counterexample in which it intuitively seems that a hypothetical or real situation does not fit with what the theory implies. In this paper, we shall argue that this assumption is at most either untenable or otherwise useless in bringing about what is commonly expected from it.
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  30. Conservatism, Counterexamples and Debunking.Daniel Z. Korman - 2020 - Analysis 80 (3):558-574.
    A symposium on my *Objects: Nothing Out of the Ordinary* (2015). In response to Wallace, I attempt to clarify the dialectical and epistemic role that my arguments from counterexamples were meant to play, I provide a limited defense of the comparison to the Gettier examples, and I embrace the comparison to Moorean anti-skeptical arguments. In response to deRosset, I provide a clearer formulation of conservatism, explain how a conservative should think about the interaction between intuition and science, and discuss what (...)
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  31. Alleged Counterexamples to Uniqueness.Ryan Ross - 2021 - Logos and Episteme 12 (2):203-13.
    Kopec and Titelbaum collect five alleged counterexamples to Uniqueness, the thesis that it is impossible for agents who have the same total evidence to be ideally rational in having different doxastic attitudes toward the same proposition. I argue that four of the alleged counterexamples fail, and that Uniqueness should be slightly modified to accommodate the fifth example.
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  32. A counterexample to six fundamental principles of belief formation.Hans Rott - 2004 - Synthese 139 (2):225 - 240.
    In recent years there has been a growing consensus that ordinary reasoning does not conform to the laws of classical logic, but is rather nonmonotonic in the sense that conclusions previously drawn may well be removed upon acquiring further information. Even so, rational belief formation has up to now been modelled as conforming to some fundamental principles that are classically valid. The counterexample described in this paper suggests that a number of the most cherished of these principles should not (...)
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  33. Counterexamples to Some Characterizations of Dilation.Michael Nielsen & Rush T. Stewart - 2021 - Erkenntnis 86 (5):1107-1118.
    We provide counterexamples to some purported characterizations of dilation due to Pedersen and Wheeler :1305–1342, 2014, ISIPTA ’15: Proceedings of the 9th international symposium on imprecise probability: theories and applications, 2015).
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  34.  25
    Are There Counterexamples to Standard Views about Institutional Legitimacy, Obligation, and What Institutions We Should Aim For?Mark Budolfson - 2014 - Philosophy and Law 14 (1).
    A standard view in legal and political theory is that, to a first approximation, (1) we should aim to bring about the most legitimate institutions possible to solve the problems that should be solved at the level of politics, and (2) individual people are required to follow the directives of legitimate institutions, at least insofar as those institutions have the authority to issue those directives, and insofar as other considerations are nearly equal.1 On this standard view, the philosophical analysis of (...)
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  35. An intervening cause counterexample to Railton's DNP model of explanation.Stuart Gluck & Steven Gimbel - 1997 - Philosophy of Science 64 (4):692-697.
    Peter Railton (1978) has introduced the influential deductive-nomological-probabilistic (DNP) model of explanation which is the culmination of a tradition of formal, non-pragmatic accounts of scientific explanation. The other models in this tradition have been shown to be susceptible to a class of counterexamples involving intervening causes which speak against their sufficiency. This treatment has never been extended to the DNP model; we contend that the usual form of these counterexamples is ineffective in this case. However, we develop below a new (...)
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  36. A Counterexample to Parfit's Rule Consequentialism.Jacob Nebel - 2012 - Journal of Ethics and Social Philosophy 6 (2):1-10.
    Derek Parfit argues that everyone ought to follow the principles whose universal acceptance would make things go best. I present a counterexample: a world in which no one's moral beliefs have any motivating force. I explain how Parfit's metaethical commitments imply that such a world is possible, and why this possibility is a problem for Parfit's project of reconciling Kantianism, contractualism, and consequentialism. I consider two of Parfit's responses to my counterexample.
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  37. Frankfurt Counterexamples: Some Comments on the Widerker-Fischer Debate.David P. Hunt - 1996 - Faith and Philosophy 13 (3):395-401.
    One strategy in recent discussions of theological fatalism is to draw on Harry Frankfurt’s famous counterexamples to the principle of alternate possibilities (PAP) to defend human freedom from divine foreknowledge. For those who endorse this line, “Frankfurt counterexamples” are supposed to show that PAP is false, and this conclusion is then extended to the foreknowledge case. This makes it critical to determine whether Frankfurt counterexamples perform as advertised, an issue recently debated in this journal via a pair of articles by (...)
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  38.  44
    A Counterexample to Polynomially Bounded Realizability of Basic Arithmetic.Mohammad Ardeshir, Erfan Khaniki & Mohsen Shahriari - 2019 - Notre Dame Journal of Formal Logic 60 (3):481-489.
    We give a counterexample to the claim that every provably total function of Basic Arithmetic is a polynomially bounded primitive recursive function.
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  39.  44
    Another Counterexample to Markov Causation from Quantum Mechanics: Single Photon Experiments and the Mach-Zehnder Interferometer.Nina Retzlaff - 2017 - Kriterion - Journal of Philosophy 31 (2):17-42.
    The theory of causal Bayes nets [15, 19] is, from an empirical point of view, currently one of the most promising approaches to causation on the market. There are, however, counterexamples to its core axiom, the causal Markov condition. Probably the most serious of these counterexamples are EPR/B experiments in quantum mechanics (cf. [13, 23]). However, these are also the only counterexamples yet known from the quantum realm. One might therefore wonder whether they are the only phenomena in the quantum (...)
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  40. The Counterexample Fallacy.D. Bonevac, J. Dever & D. Sosa - 2011 - Mind 120 (480):1143-1158.
    Manley and Wasserman (2008) join the chorus of opposition to the possibility of conditional analysis of dispositions. But that score cannot be settled without more careful attention to the implicit philosophical methodology. Some of the opposition to such an analysis badly overestimates the effect of counterexamples, as if the Gettier example were sufficient to refute the possibility of conjunctive analysis of knowledge. A general objection to a form of analysis must satisfy a number of constraints, and Manley and Wasserman join (...)
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  41.  75
    Frankfurt counterexample defended.E. Di Nucci - 2011 - Analysis 71 (1):102-104.
    Frankfurt sets out to refute the principle according to which ‘a person is morally responsible for what he has done only if he could have done otherwise’ . Frankfurt devises a counterexample in which an agent is intuitively responsible even though she could not have done otherwise: Suppose someone – Black, let us say – wants Jones to perform a certain action. Black is prepared to go to considerable lengths to get his way, but he prefers to avoid showing (...)
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  42. On Some Counterexamples to the Transitivity of Grounding.Jon Erling Litland - 2013 - Essays in Philosophy 14 (1):19-32.
    I discuss three recent counterexamples to the transitivity of grounding due to Jonathan Schaffer. I argue that the counterexamples don’t work and draw some conclusions about the relationship between grounding and explanation.
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  43. Alternative Frankfurt-style counterexamples to the principle of alternative possibilities.Stewart Goetz - 2002 - Pacific Philosophical Quarterly 83 (2):131–147.
    In this paper, I assume that if we have libertarian freedom, it is located in the power to choose and its exercise. Given this assumption, I then further assume a version of the Principle of Alternative Possibilities which states that an agent is morally responsible for his choice only if he could have chosen otherwise. With these assumptions in place, I examine three recent attempts to construct Frankfurt‐style counterexamples to PAP. I argue that all fail to undermine the intuitive plausibility (...)
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  44. Two New Counterexamples to the Truth-Tracking Theory of Knowledge.Tristan Haze - 2015 - Logos and Episteme 6 (3):309-311.
    I present two counterexamples to the recently back-in-favour truth-tracking account of knowledge: one involving a true belief resting on a counterfactually robust delusion, one involving a true belief acquired alongside a bunch of false beliefs. These counterexamples carry over to a recent modification of the theory due to Briggs and Nolan (2012), and seem invulnerable to a recent defence of the theory against known counterexamples, by Adams and Clarke (2005).
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  45. Counterexamples and Common Sense: When (Not) to Tollens a Ponens.Meg Wallace - 2020 - Analysis 80 (3):544-558.
    Most ordinary folks think that there are ordinary objects such as trees and frogs. They do not think there are extraordinary objects such as the mereological sum of trees and frogs, as the permissivist does. Nor do they deny the existence of ordinary composite objects such as tables, as the eliminativist does. In his recent book, Objects: Nothing Out of the Ordinary, Korman positions himself alongside ordinary folk. He deftly defends the common sense view of ordinary objects, and argues against (...)
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  46.  17
    Frankfurt counterexample defended.Ezio Nucci - 2011 - Analysis 71 (1):102-104.
    Frankfurt sets out to refute the principle according to which ‘a person is morally responsible for what he has done only if he could have done otherwise’. Frankfurt devises a counterexample in which an agent is intuitively responsible even though she could not have done otherwise: Suppose someone – Black, let us say – wants Jones to perform a certain action. Black is prepared to go to considerable lengths to get his way, but he prefers to avoid showing his (...)
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  47. A counterexample to modus ponens.Vann McGee - 1985 - Journal of Philosophy 82 (9):462-471.
  48. Five counterexamples to a definition of dirt.Terence Rajivan Edward - 2023 - IOSR Journal Of Humanities And Social Science (IOSR-JHSS) 28 (12):73-74.
    This paper considers five counterexamples to Mary Douglas's definition of dirt, one of which is extracted from a scene from George Eliot's novel Middlemarch and another from Marilyn Strathern's essay on anthropology at home.
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  49.  98
    Counterexamples to the Unique and Cofinal Branches Hypotheses.Itay Neeman & John Steel - 2006 - Journal of Symbolic Logic 71 (3):977 - 988.
    We produce counterexamples to the unique and cofinal branches hypotheses, assuming (slightly less than) the existence of a cardinal which is strong past a Woodin cardinal.
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  50. Modified Frankfurt-type counterexamples and flickers of freedom.Michael Robinson - 2012 - Philosophical Studies 157 (2):177-194.
    A great deal of attention has been paid recently to the claim that traditional Frankfurt-type counterexamples to the Principle of Alternative Possibilities (PAP), which depend for their success on the presence of a perfectly reliable indicator (or prior sign ) of what an agent will freely do if left to act on his own, are guilty of begging the question against incompatibilists, since such indicators seem to presuppose a deterministic relation between an agent’s free action and its causal antecedents. Objections (...)
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