Results 11 to 20 of about 24,422 (242)
Evaluating Etchemendy's Critiques of Tarski’s Analysis of Logical Consequence [PDF]
According to Tarski's model-theoretic analysis of logical consequence, the sentence X is a logical consequence of a set of sentences Γ if and only if any model for Γ is also a model for X.
Hamid Alaeinejad, Morteza Hajhosseini
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Research on a Class of Special Quasi TA-Neutrosophic Extended Triplet: TA-Groups [PDF]
Tarski associative groupoid (TA-groupoid) and Tarski associative neutrosophic extended triplet groupoid (TA-NET-groupoid) are two interesting structures in non-associative algebra. In this paper, a new concept of TA-group is proposed based on TA-groupoid,
Mingming Chen, Yudan Du, Xiaogang An
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Could Tajtelbaum Question What Tarski Could Not? [PDF]
The paper discusses Tarski’s approach to quotation. It starts from showing that it is vulnerable to semantic inconsistencies connected with what is known as Reach’s puzzle, formulated in 1938 by a Czech logician Karel Reach.
Jan Wiślicki
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Logic TK: Algebraic Notions from Tarski’s Consequence Operator
Tarski presented his definition of consequence operator to explain the most important notions which any logical consequence concept must contemplate. A Tarski space is a pair constituted by a nonempty set and a consequence operator.
Hércules A. Feitosa +2 more
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Duality for powerset coalgebras [PDF]
Let CABA be the category of complete and atomic boolean algebras and complete boolean homomorphisms, and let CSL be the category of complete meet-semilattices and complete meet-homomorphisms. We show that the forgetful functor from CABA to CSL has a left
Guram Bezhanishvili +2 more
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Transposition Regular TA-Groupoids and Their Structures
Tarski associative groupoid (TA-groupoid) is a kind of non-associative groupoid satisfying Tarski associative law. In this paper, the new notions of transposition regular TA-groupoid are proposed and their properties and structural characteristics are ...
Xiaogang An, Xiaohong Zhang
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Did Tarski commit “Tarski's fallacy”? [PDF]
In his 1936 paper,On the Concept of Logical Consequence, Tarski introduced the celebrated definition oflogical consequence: “The sentenceσfollows logicallyfrom the sentences of the class Γ if and only if every model of the class Γ is also a model of the sentenceσ.” [55, p.
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Halbach has argued that Tarski biconditionals are not ontologically conservative over classical logic, but his argument is undermined by the fact that he cannot include a theory of arithmetic, which functions as a theory of syntax.
Heylen, Jan, Horsten, Leon
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Summary This is the translation of the Mizar article containing readable Mizar proofs of some axiomatic geometry theorems formulated by the great Polish mathematician Alfred Tarski [8], and we hope to continue this work. The article is an extension and upgrading of the source code written by the first author with the
William Richter +2 more
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Absoluteness of Truth and the Lvov–Warsaw School (Twardowski, Kotarbiński, Leśniewski, Łukasiewicz, Tarski, Kokoszyńska) [PDF]
According to Twardowski, truth is if it is independent of temporal coordinates. This understanding was one of the main arguments against truth-relativism. Kotarbiński rejected this view as far the issue concerns sentences about the future, but he did not
Woleński, Jan
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