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	NationMaster - Encyclopedia: Graham Priest
		He is known for his bold defense of dialetheism, his in-depth analyses of the semantic paradoxes, and his many writings related to paraconsistent and other non-classical logics.
		Dialetheism is a paraconsistent logic typified by its tolerance of at least some contradictions.
		He was a frequent collaborator with the late Richard Sylvan, a fellow proponent of dialetheism and paraconsistent logic.
	www.nationmaster.com /encyclopedia/Graham-Priest (645 words)

	Dialetheism (Stanford Encyclopedia of Philosophy)
		Though dialetheism is not a new view, the word itself is. It was coined by Graham Priest and Richard Routley (later Sylvan) in 1981 (see Priest, Routley and Norman, 1989, p.
		Dialetheism should be clearly distinguished from trivialism, the view that all contradictions are true (and hence, assuming that a conjunction entails its conjuncts, that everything is true).
		A standard modern argument against dialetheism is to invoke the logical principle of explosion, in virtue of which dialetheism would entail trivialism.
	plato.stanford.edu /entries/dialetheism (3014 words)

	Reference.com/Encyclopedia/Dialetheism
		Dialetheism is not itself a formal logic, but to endorse dialetheism without accepting some version of paraconsistent logic is to accept everything at all, trivialism.
		The proponents of dialetheism mainly advocate its ability to avoid problems faced by other more orthodox resolutions as a consequence of their appeals to hierarchies.
		One important criticism of dialetheism is that it fails to capture something crucial about negation and, consequently, disagreement.
	www.reference.com /browse/wiki/Dialetheism (803 words)

	Dialetheism
		Dialetheism is not itself a formal logic, but anyone who endorses dialethism (and is unwilling to accept that everything is true!) is rationally committed to accepting some version of paraconsistent logic.
		Perhaps the most penetrating criticism of dialetheism is that it fails to capture something crucial about negation and, consequently, disagreement.
		Yet, if we accept dialetheism, Sally's so uttering does not prevent her from also accepting P; after all, P may be a dialetheia and therefore it and its negation are both true.
	www.brainyencyclopedia.com /encyclopedia/d/di/dialetheism.html (0 words)

	Dialetheism - Definition, explanation
		Perhaps the most penetrating criticism of dialetheism is that it fails to capture something crucial about negation and, consequently, disagreement.
		Yet, if we accept dialetheism, Sally's so uttering does not prevent her from also accepting P; after all, P may be a dialetheia and therefore it and its negation are both true.
		Graham Priest of the University of St. Andrews is dialetheism's most prominent contemporary champion.
	www.calsky.com /lexikon/en/txt/d/di/dialetheism.php (530 words)

	Peter Suber, "Non-Contradiction and Excluded Middle"
		Standard logic gets nowhere against dialetheism by insisting that contradictions are always false, for dialetheism admits this but adds that they are true too.
		If standard logic insists that contradictions are nothing but false, then it must justify this or else beg the question against dialetheism; but as we have seen, it is difficult to produce such a justification that is not viciously circular by presupposing the standard PEDC and hence the PNC that dialetheism has rejected.
		But if one wishes to accept all truths and reject all falsehoods, then dialetheism cannot be followed, for it holds that some propositions are both true and false; presumably it is impossible to accept and reject the same proposition at the same time.
	www.earlham.edu /~peters/courses/logsys/pnc-pem.htm (1662 words)

	Graham Priest, JC Beall, Bradley Armour-Garb (eds.) - The Law of Non-Contradiction: New Philosophical Essays - Reviewed ...
		Edwin D. Mares ("Semantic Dialetheism") defends a similar view: semantic dialetheism, where true contradictions arise as a result of a mismatch between our language and the world, and he contrasts this view with (according to him, the much less plausible) metaphysical dialetheism, where things in the world are actually inconsistent.
		In particular, if the anti-realist wishes to accept dialetheism while holding onto (something like) an intuitionistic understanding of the connectives, then he will need to draw a distinction between claims that are merely false and those whose negations are true (presumably the latter would imply the former, but not vice versa).
		Thus, dialetheism is not a radically new idea (or even a radical old idea), but is just another node on the continuum of possible ways to balance the expressive power/inferential power trade-off.
	ndpr.nd.edu /review.cfm?id=3941 (0 words)

	Dialetheism
		Moreover, since the development of paraconsistent logic in the second half of this century, dialetheism has now become a live issue once more.
		Turning now to contemporary philosophy, the second half of the 20th century has seen a resurgence of dialetheism, driven by largely new considerations.
		Though paradoxes of this kind have been known since antiquity, they were thrown into prominence by developments in the foundations of mathematics at the turn of this century.
	www.science.uva.nl /~seop/archives/spr2001/entries/dialetheism (2922 words)

	Knowability: Contradictions Rational and Justified? (Frances)
		She hears from several of her professors that dialetheism is the best theory for dealing with the semantic paradoxes, and most philosophers of logic even think it’s true.
		So, she has very good evidence E1 that there is good evidence E2 for her belief that proposition X (expressed by something like ‘The claim I am making with this very sentence is not true’) is both true and not true.
		E1 is her knowledge that most excellent philosophers of logic endorse dialetheism after plenty of expert investigation over many years.
	knowability.blogspot.com /2007/01/contradictions-rational-and-justified.html (420 words)

	philosophy questions 22
		Dialetheism is the view that there are true contradictions.
		Non-Contradiction: for any A, it is impossible for both A and A to be true — which has been nearly
		In turn, the liar paradox asks us to account for the sentence 'this sentence is not-true' and
	www.philosophos.com /knowledge_base/archives_22/philosophy_questions_2281.html (335 words)

	Invalidating Validity - TheologyWeb Campus
		The point is that if dialetheism is true then neither M.P. nor M.T. are known to be a valid inferences because you can no longer rely on the conclusion being true or noncontradictory because if the premisses are true then there could be contradictions.
		It is not necessarily the case that dialetheism is false and LNC is true.
		Therefore, due to the dialetheism argument, so-called deductively valid arguments are really just statistical arguments with nearly 100% certainty that the inference is correct if the premisses are true.
	www.theologyweb.com /forum/showthread.php?p=62241 (0 words)

	Dialetheism
		Dialetheism is the view that there are contradictions both sides...
		She hears from several of her professors that dialetheism is the best theory for dealing with the semantic paradoxes, and most philosophers of...
		Dialetheism opposes the so-called Law of Non-Contradiction: for any A, it is impossible for both A and...
	www.logicjungle.com /wiki/Dialetheism (263 words)

	Amazon.co.uk: Doubt Truth to Be a Liar: Books: Graham Priest (Site not responding. Last check: )
		Dialetheism is the view that some contradictions are true.
		Doubt Truth to Be a Liar explores these implications for truth, rationality, negation, and the nature of logic, and develops further the defence of dialetheism first mounted in Priest's In Contradiction, a second edition of which is also available.
		Dialetheism is the view that some contradictions are true: there are sentences (statements, propositions, or whatever one takes truth-bearers to be),, such that both and - are true, that is, such that is both true and false. Read the first page
	www.amazon.co.uk /Doubt-Truth-Liar-Graham-Priest/dp/0199263280 (0 words)

	Amazon.ca: Doubt Truth to be a Liar: Books: Graham Priest (Site not responding. Last check: )
		Dialetheism is the view that some contradictions are true.
		Doubt Truth to Be a Liar explores these implications for truth, rationality, negation, and the nature of logic, and develops further the defence of dialetheism first mounted in Priest's In Contradiction, a second edition of which is also available.
		Dialetheism is the view that some contradictions are true: there are sentences (statements, propositions, or whatever one takes truth-bearers to be),, such that both and - are true, that is, such that is both true and false. Read the first page
	www.amazon.ca /Doubt-Truth-Liar-Graham-Priest/dp/0199263280 (324 words)

	Ralph Dumain: "The Autodidact Project": Graham Priest vs Erwin Marquit on Contradiction
		He illustrates the problem of combining two disparate enterprises: the pursuit of logic as a pure formal enterprise (in his case paraconsistent logic, which admits of true contradictions, whose attendant doctrine is dialetheism), and the substantive engagement with philosophical issues and ultimately the real world.
		While logic was practically developed to study the nature of inference, valid and invalid argument (without larger philosophical claims), its formal form has never neatly meshed with the messiness of the real world nor with the structuring the categories of its fundamental understanding.
		Priest's views on dialetheism (logic which admits contradictions) is controversial among his fellow logicians, and he responds to objections in his book.
	www.autodidactproject.org /my/priest-limits-3.html (0 words)

	Graham Priest - Doubt Truth to Be a Liar - Reviewed by Hartry Field, New York University - Philosophical Reviews - ...
		Priest's discussion of these topics is centered around their bearing on his doctrine of dialetheism, the view that some contradictions are true; but the discussions are of great interest independent of dialetheism.
		(In dialetheic views with excluded middle, the latter is necessary but not sufficient for the former; in non-dialetheic views without excluded middle, it's the other way around.) The discussion seems to assume that claims about what we accept and reject are not themselves dialetheic, e.g.
		But this is false advertising: one of the most recalcitrant paradoxes involves the Curry sentence (which asserts that if it itself is true then the earth is flat), and Priest is compelled not to regard it as both true and false but simply to regard it as false.
	ndpr.nd.edu /review.cfm?id=6101 (0 words)

	[FOM] A question about dialetheism and sorites (Site not responding. Last check: )
		Previous message: [FOM] A question about dialetheism and sorites
		Dialetheism is a very particular way of paraconsistency, charged with strong ontological assumptions, as the existence of "dialetheia" in the sense of really true contradictions.
		However, as your example tells, we do not need metaphysics to express contradictory views about facts of the world, where the contradiction is just due to vagueness, misinformation, or other kinds of inexacteness.
	cs.nyu.edu /pipermail/fom/2002-November/006026.html (402 words)

	brain in a vat - emanations - matt carter
		I’m reproducing our discussion on a separate page to maximise typographical perspicuity as there is a bit of back-and-forth quoting of each other involved.
		I suppose this point of view is not fully compatible with the use of LP, for I consider an inconsistent state of affairs (essentially understood as an epistemic possibility) as one which excludes all consistent possibilities.
		However the stance I take towards contradictions is quite remote from dialethism (the reasons I have for not liking dialethism are based on its underlying realism and logical monism), I think the informational view effectively weakens the argument that a contradiction fails to rule out anything.
	emanations.braininavat.net /archives/000184.html (0 words)

	Paraconsistent logic Information
		This view, known as dialetheism, is motivated by several considerations, most notably an inclination to take certain paradoxes such as the Liar and Russell's paradox at face value.
		On the other hand, being a dialetheist rationally commits one to some form of paraconsistent logic, on pain of otherwise having to accept everything as true.
		The most prominent contemporary defender of dialetheism (and paraconsistent logic) is Graham Priest, a philosopher at the University of Melbourne.
	www.bookrags.com /wiki/Paraconsistent_logic (1711 words)

	[No title]
		Armour-Garb and Beall provide compelling evidence for their claim that dialetheism is compatible with deflationism, in the face of skepticism presented by other authors.
		They provide well reasoned arguments to the effect that there is nothing in the basic commitments of deflationism that rules out dialetheism.
		However, I find their view that dialetheism necessarily follows from deflationism more problematic.
	artsweb.uwaterloo.ca /~pgsa/abstracts.html (0 words)

	Dialetheism - Details for: Philosophy: Reference: Stanford Encyclopedia of Philosophy: Dialetheism
		Dialetheism - Details for: Philosophy: Reference: Stanford Encyclopedia of Philosophy: Dialetheism
		Dialeth(e)ism is the view that there are true contradictions.
		Category for: Philosophy: Reference: Stanford Encyclopedia of Philosophy: Dialetheism
	www.ufoseek.com /Philosophy/Reference/Stanford_Encyclopedia_of_Philosophy/Dialetheism_L175174 (0 words)

	RevLeft -> Dialetheism
		I have been reading into Dialetheism lately, skimming through some Graham Preist and such...I think I have some affinity for paraconsistant logic.
		I am surprised that Dialetheism is not terribly popular among philosophers, nor has it really been adopted by any other Marxists, as far as I'm aware.
		Just a few intros to Dialetheism and paraconsistent logic for people who are uncertain as to what it is:
	www.revleft.com /index.php?showtopic=52154&st=0 (1679 words)

	Law of Non-Contradiction - Studia AS
		As a survey of a difficult subject, Beall's introduction is a tour-de-force and should be required reading for anyone interested in true contradictions or the philosophy of logic more generally...
		once one views dialetheism as a natural companion to other, supposedly more 'traditional' views such as classicism, intuitionism, and gappy logics, one wonders why it has taken so long for such an excellent volume to appear.
		Ramsey's Dialetheism; PART V: FOR THE LNC; 18.
	www.studia.no /vare.php?isbn=0199265178 (0 words)

	Marko Ursic, Cusanus and Paraconsistency
		In the third (3) of the mentioned books, a whole section of the first chapter (1.8) is devoted to Cusanus’ thought, considered from the point of limits of expression and (in)comprehensibility of God.
		Priest states that in Cusanus’ philosophy we have a paradoxical, and ─ as he argues ─ also a "dialetheic" situation (Priest defines "dialetheia" as a true contradiction), since Cusanus "accepts this contradiction about God [i.e.
		This position is different from the "positive way" of Priest’s "dialetheism", which rejects Non-Contradiction, though endorses Excluded Middle, and so avoids truth-value gaps.
	www2.arnes.si /~mursic3/Cusanus_2000.htm (3423 words)

	In Contradiction - Wal-Mart
		The book has been at the center of the controversies surrounding dialetheism ever since its first publication in
		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 volume, Doubt Truth to be a Liar, also published by
	www.walmart.com /catalog/product.do?product_id=4599403 (661 words)

	Dr Smith's Logic Page
		Since according to the law of non contradiction, contradictions cannot exist, this would seem to imply that classic logic, and the law of non contradiction, are either invalid(), or not universally applicable (dialetheism).
		While my response is controversial, it is held by some to be the solution to the problem.
		Others feel that the position of paraconsistent logic or dialetheism is the more adequate and parsimonious response.
	www.candleinthedark.com /paradoxes.html (0 words)

	faculty.htm
		His dissertation was entitled “Defending the Law of Non-Contradiction: A Critique of Dialetheism”.
		He argues that dialetheism, the theory that there are true contradictions, fails to solve the very paradoxes that motivate its acceptance, as well as generating significantly more new problems.
		He is presently writing a book on the subject of dialetheism.
	www.siue.edu /PHILOSOPHY/faculty-full.htm (0 words)

	Re: [Marxism-Thaxis] Graham Priest: Dialetheism & Marx
		While I don't expect everyone to be held spellbound by this question, it is illustrative of a recurring problem in intellectual history (and also in popular intellectual culture, which is another story.
		Priest's views on dialetheism (logic which admits contradictions) is controversial among his fellow logicians, and he responds to objections in his book.
		Probably his fellow logicians (except those interested in Marx, among which there are more than a few) are not terribly concerned about his views on Marx, and in fact he says nothing about Marx in his book.
	www.mail-archive.com /marxism-thaxis@lists.econ.utah.edu/msg01713.html (392 words)

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