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Graham Priest [268]Graham George Priest [6]
  1. In Contradiction: A Study of the Transconsistent.Graham Priest - 2006 - Oxford University Press.
    In Contradiction advocates and defends the view that there are true contradictions, a view that flies in the face of orthodoxy in Western philosophy since Aristotle. The book has been at the center of the controversies surrounding dialetheism ever since its first publication in 1987. This second edition of the book substantially expands upon the original in various ways, and also contains the author’s reflections on developments over the last two decades. Further aspects of dialetheism are discussed in the companion (...)
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  2. Towards Non-Being: The Logic and Metaphysics of Intentionality.Graham Priest - 2005 - Oxford University Press.
    Graham Priest presents a ground-breaking account of the semantics of intentional language--verbs such as "believes," "fears," "seeks," or "imagines." Towards Non-Being proceeds in terms of objects that may be either existent or non-existent, at worlds that may be either possible or impossible. The book will be of central interest to anyone who is concerned with intentionality in the philosophy of mind or philosophy of language, the metaphysics of existence and identity, the philosophy of fiction, the philosophy of mathematics, or cognitive (...)
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  3. Doubt Truth to Be a Liar.Graham Priest - 2005 - Oxford University Press.
    Dialetheism is the view that some contradictions are true. This is a view which runs against orthodoxy in logic and metaphysics since Aristotle, and has implications for many of the core notions of philosophy. Doubt Truth to Be a Liar explores these implications for truth, rationality, negation, and the nature of logic, and develops further the defense of dialetheism first mounted in Priest's In Contradiction, a second edition of which is also available.
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  4.  37
    Metaphysical Necessity: A Skeptical Perspective.Graham Priest - forthcoming - Synthese:1-13.
    Many people hold that there is a distinctive notion of metaphysical necessity. In this paper I explain why I am skeptical about the view. I examine the sorts of considerations that are adduced for it, and argue that they meet equal and opposite considerations.
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  5. An Introduction to Non-Classical Logic: From If to Is.Graham Priest - 2008 - Cambridge University Press.
    This revised and considerably expanded 2nd edition brings together a wide range of topics, including modal, tense, conditional, intuitionist, many-valued, paraconsistent, relevant, and fuzzy logics. Part 1, on propositional logic, is the old Introduction, but contains much new material. Part 2 is entirely new, and covers quantification and identity for all the logics in Part 1. The material is unified by the underlying theme of world semantics. All of the topics are explained clearly using devices such as tableau proofs, and (...)
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  6. Problems With the Argument From Fine Tuning.Mark Colyvan, Jay L. Garfield & Graham Priest - 2005 - Synthese 145 (3):325-338.
    The argument from fine tuning is supposed to establish the existence of God from the fact that the evolution of carbon-based life requires the laws of physics and the boundary conditions of the universe to be more or less as they are. We demonstrate that this argument fails. In particular, we focus on problems associated with the role probabilities play in the argument. We show that, even granting the fine tuning of the universe, it does not follow that the universe (...)
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  7. Logical Pluralism Hollandaise.Graham Priest - 2008 - Australasian Journal of Logic 6:210-214.
    Johan van Benthem compares and contrasts two research programmes, which he calls logical pluralism and logical dynamics, stating his ‘preference’ for the second of these ‘alternatives’. In this note I want to put the matter into a slightly different perspective.
     
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  8.  25
    Introduction to Non-Classical Logic.Graham Priest - 2001 - Cambridge University Press.
    This is the first introductory textbook on non-classical propositional logics.
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  9. The Logic of Paradox.Graham Priest - 1979 - Journal of Philosophical Logic 8 (1):219 - 241.
  10.  70
    Beyond the Limits of Thought.Graham Priest - 1995 - Cambridge University Press.
    This is a philosophical investigation of the nature of the limits of thought. Drawing on recent developments in the field of logic, Graham Priest shows that the description of such limits leads to contradiction, and argues that these contradictions are in fact veridical. Beginning with an analysis of the way in which these limits arise in pre-Kantian philosophy, Priest goes on to illustrate how the nature of these limits was theorised by Kant and Hegel. He offers new interpretations of Berkeley's (...)
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  11. Thinking the Impossible.Graham Priest - 2016 - Philosophical Studies 173 (10):2649-2662.
    The article looks at the structure of impossible worlds, and their deployment in the analysis of some intentional notions. In particular, it is argued that one can, in fact, conceive anything, whether or not it is impossible. Thus a semantics of conceivability requires impossible worlds.
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  12. Infinitesimal Chances and the Laws of Nature.Frank Jackson, Graham Priest & Adam Elga - 2004 - Australasian Journal of Philosophy 82 (1):67 – 76.
    The 'best-system' analysis of lawhood [Lewis 1994] faces the 'zero-fit problem': that many systems of laws say that the chance of history going actually as it goes--the degree to which the theory 'fits' the actual course of history--is zero. Neither an appeal to infinitesimal probabilities nor a patch using standard measure theory avoids the difficulty. But there is a way to avoid it: replace the notion of 'fit' with the notion of a world being typical with respect to a theory.
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  13. Towards Non-Being: The Logic and Metaphysics of Intentionality.Graham Priest - 2008 - Bulletin of Symbolic Logic 14 (1):116-118.
     
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  14. Paraconsistent Logic.Graham Priest - 2008 - Stanford Encyclopedia of Philosophy.
  15. What Is So Bad About Contradictions?Graham Priest - 1998 - Journal of Philosophy 95 (8):410-426.
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  16. On the Ternary Relation and Conditionality.Jc Beall, Ross Brady, J. Michael Dunn, A. P. Hazen, Edwin Mares, Robert K. Meyer, Graham Priest, Greg Restall, David Ripley, John Slaney & Richard Sylvan - 2012 - Journal of Philosophical Logic 41 (3):595 - 612.
    One of the most dominant approaches to semantics for relevant (and many paraconsistent) logics is the Routley-Meyer semantics involving a ternary relation on points. To some (many?), this ternary relation has seemed like a technical trick devoid of an intuitively appealing philosophical story that connects it up with conditionality in general. In this paper, we respond to this worry by providing three different philosophical accounts of the ternary relation that correspond to three conceptions of conditionality. We close by briefly discussing (...)
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  17.  99
    Fusion and Confusion.Graham Priest - 2015 - Topoi 34 (1):55-61.
    IntroductionCurry’s paradox is well known.See, e.g., Priest , ch. 6. It comes in both set theoretic and semantic versions. Here we will concentrate on the semantic versions. Historically, these have deployed the notion of truth. Those who wish to endorse an unrestricted T-schema have mainly endorsed a logic which rejects the principle of Absorption, \\models A\rightarrow B\). High profile logics of this kind are certain relevant logics; these have semantics which show how and why this principle is not valid. Of (...)
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  18. Relevant Restricted Quantification.J. C. Beall, Ross T. Brady, A. P. Hazen, Graham Priest & Greg Restall - 2006 - Journal of Philosophical Logic 35 (6):587-598.
    The paper reviews a number of approaches for handling restricted quantification in relevant logic, and proposes a novel one. This proceeds by introducing a novel kind of enthymematic conditional.
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  19. How We Think Mādhyamikas Think: A Response To Tom Tillemans.Yasuo Deguchi, Jay L. Garfield & Graham Priest - 2013 - Philosophy East and West 63 (3):426-435.
    In his article in this issue, " 'How do Mādhyamikas Think?' Revisited," Tom Tillemans reflects on his earlier article "How do Mādhyamikas Think?" (2009), itself a response to earlier work of ours (Deguchi et al. 2008; Garfield and Priest 2003). There is much we agree with in these non-dogmatic and open-minded essays. Still, we have some disagreements. We begin with a response to Tillemans' first thoughts, and then turn to his second thoughts.Tillemans (2009) maintains that it is wrong to attribute (...)
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  20. Yablo’s Paradox.Graham Priest - 1997 - Analysis 57 (4):236–242.
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  21. An Introduction to Non-Classical Logic: From If to Is.Graham Priest - 2008 - Bulletin of Symbolic Logic 14 (4):544-545.
     
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  22. The Law of Non-Contradiction : New Philosophical Essays.Graham Priest, Jc Beall & Bradley P. Armour-Garb (eds.) - 2004 - Oxford University Press.
    The Law of Non-Contradiction - that no contradiction can be true - has been a seemingly unassailable dogma since the work of Aristotle, in Book G of the Metaphysics. It is an assumption challenged from a variety of angles in this collection of original papers. Twenty-three of the world's leading experts investigate the 'law', considering arguments for and against it and discussing methodological issues that arise whenever we question the legitimacy of logical principles. The result is a balanced inquiry into (...)
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  23. Modal Meinongianism and Characterization.Francesco Berto & Graham Priest - 2014 - Grazer Philosophische Studien 90 (1):183-200.
    In this paper we reply to arguments of Kroon (“Characterization and Existence in Modal Meinongianism”. Grazer Philosophische Studien 86, 23–34) to the effect that Modal Meinongianism cannot do justice to Meinongian claims such as that the golden mountain is golden, and that it does not exist.
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  24. To Be and Not to Be - That is the Answer. On Aristotle on the Law of Non-Contradiction.Graham Priest - 1998 - Logical Analysis and History of Philosophy 1.
    In Metaphysics III, Chapter 4, Aristotle sets out and defends the Law of Non-Contradiction. The arguments are, however, rather less satisfactory than one might have expected, given the enormous historical influence the text has had. His major argument is a particularly tangled one, and the others are often little more than throw-away remarks. This essay is a commentary on the chapter, but its aim is less to interpret the text , than to see whether there is anything that Aristotle could (...)
     
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  25. Hopes Fade for Saving Truth. [REVIEW]Graham Priest - 2010 - Philosophy 85 (1):109-140.
  26.  38
    External Curries.Heinrich Wansing & Graham Priest - 2015 - Journal of Philosophical Logic 44 (4):453-471.
    Curry’s paradox is well known. The original version employed a conditional connective, and is not forthcoming if the conditional does not satisfy contraction. A newer version uses a validity predicate, instead of a conditional, and is not forthcoming if validity does not satisfy structural contraction. But there is a variation of the paradox which uses “external validity”. And since external validity contracts, one might expect the appropriate version of the Curry paradox to be inescapable. In this paper we show that (...)
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  27.  88
    Primary Qualities Are Secondary Qualities Too.Graham Priest - 1989 - British Journal for the Philosophy of Science 40 (1):29-37.
    The paper argues for realism in quantum mechanics. Specifically, the formalism of quantum mechanics should be understood as giving a complete description of quantum situations. When it is understood in this way, traditional primary properties of matter can be seen as similar to traditional secondary properties, though at a different level.
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  28. Doubt Truth to Be a Liar.Graham Priest - 2007 - Studia Logica 87 (1):129-134.
     
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  29. Sylvan's Box: A Short Story and Ten Morals.Graham Priest - 1997 - Notre Dame Journal of Formal Logic 38 (4):573-582.
    The paper contains a short story which is inconsistent, essentially so, but perfectly intelligible. The existence of such a story is used to establish various views about truth in fiction and impossible worlds.
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  30.  43
    One: Being an Investigation Into the Unity of Reality and of its Parts, Including the Singular Object Which is Nothingness.Graham Priest - 2014 - Oxford University Press.
    Graham Priest presents an original exploration of questions concerning the one and the many. He covers a wide range of issues in metaphysics--unity, identity, grounding, mereology, universals, being, intentionality and nothingness--and draws on Western and Asian philosophy as well as paraconsistent logic to offer a radically new treatment of unity.
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  31.  96
    Tolerating Gluts.Zach Weber, David Ripley, Graham Priest, Dominic Hyde & Mark Colyvan - 2014 - Mind 123 (491):813-828.
  32. The Contradictions Are True—And It's Not Out of This World! A Response to Takashi Yagisawa.Yasuo Deguchi, Jay L. Garfield & Graham Priest - 2013 - Philosophy East and West 63 (3):370-372.
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  33. Logic of Paradox.Graham Priest - 1979 - Journal of Philosophical Logic 8 (1):219-241.
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  34. Plurivalent Logics.Graham Priest - 2014 - Australasian Journal of Logic 11 (1).
    In this paper, I will describe a technique for generating a novel kind of semantics for a logic, and explore some of its consequences. It would be natural to call the semantics produced by the technique in question ‘many-valued'; but that name is, of course, already taken. I call them, instead, ‘plurivalent'. In standard logical semantics, formulas take exactly one of a bunch of semantic values. I call such semantics ‘univalent'. In a plurivalent semantics, by contrast, formulas may take one (...)
     
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  35. Dialetheism.Francesco Berto, Graham Priest & Zach Weber - 2008 - Stanford Encyclopedia of Philosophy 2018 (2018).
    A dialetheia is a sentence, A, such that both it and its negation, ¬A, are true (we shall talk of sentences throughout this entry; but one could run the definition in terms of propositions, statements, or whatever one takes as her favourite truth-bearer: this would make little difference in the context). Assuming the fairly uncontroversial view that falsity just is the truth of negation, it can equally be claimed that a dialetheia is a sentence which is both true and false.
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  36. What is Philosophy?Graham Priest - 2006 - Philosophy 81 (2):189-207.
    ‘What is philosophy?’ is a question that every professional philosopher must ask themself sometimes. In a sense, of course, they know: they spend much time doing it. But in another sense, the answer to the question is not at all obvious. In the same way, any person knows by acquaintance what breathing is; but this does not mean that they know the nature of breathing: its mechanism and function. The nature of breathing, in this sense, is now well understood; the (...)
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  37. Merely Confused Supposition.Graham Priest & Stephen Read - 1980 - Franciscan Studies 40 (1):265-97.
    In this article, we discuss the notion of merely confused supposition as it arose in the medieval theory of suppositio personalis. The context of our analysis is our formalization of William of Ockham's theory of supposition sketched in Mind 86 (1977), 109-13. The present paper is, however, self-contained, although we assume a basic acquaintance with supposition theory. The detailed aims of the paper are: to look at the tasks that supposition theory took on itself and to use our formalization to (...)
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  38. Truth and Contradiction.Graham Priest - 2000 - Philosophical Quarterly 50 (200):305-319.
    I argue that there is nothing about truth as such that prevents contradictions from being true. I argue this by considering the main standard accounts of truth, and showing that they are quite compatible with the existence of true contradictions. Indeed, in many cases, they are actually friendly to the idea.
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  39.  37
    Dualising Intuitionictic Negation.Graham Priest - 2009 - Principia: An International Journal of Epistemology 13 (2):165-184.
    One of Da Costa’s motives when he constructed the paraconsistent logic C! was to dualise the negation of intuitionistic logic. In this paper I explore a different way of going about this task. A logic is defined by taking the Kripke semantics for intuitionistic logic, and dualising the truth conditions for negation. Various properties of the logic are established, including its relation to C!. Tableau and natural deduction systems for the logic are produced, as are appropriate algebraic structures. The paper (...)
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  40.  44
    Minimally Inconsistent LP.Graham Priest - 1991 - Studia Logica 50 (2):321 - 331.
    The paper explains how a paraconsistent logician can appropriate all classical reasoning. This is to take consistency as a default assumption, and hence to work within those models of the theory at hand which are minimally inconsistent. The paper spells out the formal application of this strategy to one paraconsistent logic, first-order LP. (See, Ch. 5 of: G. Priest, In Contradiction, Nijhoff, 1987.) The result is a strong non-monotonic paraconsistent logic agreeing with classical logic in consistent situations. It is shown (...)
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  41. Nagarjuna and the Limits of Thought.Jay L. Garfield & Graham Priest - 2003 - Philosophy East and West 53 (1):1-21.
    : Nagarjuna seems willing to embrace contradictions while at the same time making use of classic reductio arguments. He asserts that he rejects all philosophical views including his own-that he asserts nothing-and appears to mean it. It is argued here that he, like many philosophers in the West and, indeed, like many of his Buddhist colleagues, discovers and explores true contradictions arising at the limits of thought. For those who share a dialetheist's comfort with the possibility of true contradictions commanding (...)
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  42. The Structure of Emptiness.Graham Priest - 2009 - Philosophy East and West 59 (4):pp. 467-480.
    The view that everything is empty (śūnya) is a central metaphysical plank of Mahāyāna Buddhism. It has often been the focus of objections. Perhaps the most important of these is that it in effect entails a nihilism: nothing exists. This objection, in turn, is denied by Mahāyāna theorists, such as Nāgārjuna. One of the things that makes the debate difficult is that the precise import of the view that everything is empty is unclear. The object of this essay is to (...)
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  43.  77
    The Structure of the Paradoxes of Self-Reference.Graham Priest - 1994 - Mind 103 (409):25-34.
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  44.  87
    Dialetheism.Graham Priest - 2008 - Stanford Encyclopedia of Philosophy.
    A dialetheia is a sentence, A, such that both it and its negation, A, are true (we shall talk of sentences throughout this entry; but one could run the definition in terms of propositions, statements, or whatever one takes as her favourite truth bearer: this would make little difference in the context). Assuming the fairly uncontroversial view that falsity just is the truth of negation, it can equally be claimed that a dialetheia is a sentence which is both true and (...)
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  45.  76
    Chunk and Permeate, a Paraconsistent Inference Strategy. Part I: The Infinitesimal Calculus.Bryson Brown & Graham Priest - 2004 - Journal of Philosophical Logic 33 (4):379-388.
    In this paper we introduce a paraconsistent reasoning strategy, Chunk and Permeate. In this, information is broken up into chunks, and a limited amount of information is allowed to flow between chunks. We start by giving an abstract characterisation of the strategy. It is then applied to model the reasoning employed in the original infinitesimal calculus. The paper next establishes some results concerning the legitimacy of reasoning of this kind - specifically concerning the preservation of the consistency of each chunk (...)
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    Beyond the Limits of Thought.Diego Marconi & Graham Priest - 1997 - Philosophical Review 106 (4):620.
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  47. Doubt Truth to Be a Liar.Graham Priest - 2007 - Bulletin of Symbolic Logic 13 (4):541-544.
     
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  48. Inclosures, Vagueness, and Self-Reference.Graham Priest - 2010 - Notre Dame Journal of Formal Logic 51 (1):69-84.
    In this paper, I start by showing that sorites paradoxes are inclosure paradoxes. That is, they fit the Inclosure Scheme which characterizes the paradoxes of self-reference. Given that sorites and self-referential paradoxes are of the same kind, they should have the same kind of solution. The rest of the paper investigates what a dialetheic solution to sorites paradoxes is like, connections with a dialetheic solution to the self-referential paradoxes, and related issues—especially so called "higher order" vagueness.
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    Moonshadows. Conventional Truth in Buddhist Philosophy.Georges Dreyfus, Bronwyn Finnigan, Jay Garfield, Guy Newland, Graham Priest, Mark Siderits, Koji Tanaka, Sonam Thakchoe, Tom Tillemans & Jan Westerhoff - 2011 - Oxford University Press.
    The doctrine of the two truths - a conventional truth and an ultimate truth - is central to Buddhist metaphysics and epistemology. The two truths (or two realities), the distinction between them, and the relation between them is understood variously in different Buddhist schools; it is of special importance to the Madhyamaka school. One theory is articulated with particular force by Nagarjuna (2nd ct CE) who famously claims that the two truths are identical to one another and yet distinct. One (...)
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  50. In Contradiction, A Study of the Transconsistent.Graham Priest - 1991 - Noûs 25 (3):380-383.
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