Tautology

Results: 76



#Item
11Logic / Mathematical logic / Abstraction / Syntax / Propositional calculus / Non-classical logic / Boolean algebra / Matrix / Well-formed formula / Proposition / Tautology / First-order logic

Microsoft PowerPoint - Dissvortrag-Version_2007-11-08_online.ppt

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Source URL: www.ruedi-arnold.com

Language: English - Date: 2011-12-23 03:20:07
12Logic / Mathematics / Mathematical logic / Boolean algebra / Propositional calculus / Model theory / Propositions / Propositional formula / Interpretation / Tautology / Distributive property / Closure

A Generalization of St˚ almarck’s Method⋆ Aditya Thakur1 and Thomas Reps1,2⋆⋆ 1 University of Wisconsin; Madison, WI, USA

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Source URL: research.cs.wisc.edu

Language: English - Date: 2012-09-06 17:53:27
13Mathematics / Boolean algebra / Semantics / Logical connectives / Tautology / Truth table / Conjunctive normal form / Negation / Sage / Logic / Propositional calculus / Mathematical logic

Sage Reference Manual: Symbolic Logic Release 6.7 The Sage Development Team

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Source URL: doc.sagemath.org

Language: English - Date: 2015-06-24 05:21:38
14

2000 Paper 5 Question 11 Logic and Proof Given a propositional formula, we wish to test whether it is a tautology and, if it is not, to compute an interpretation that makes it false. Two techniques for doing this are th

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Source URL: www.cl.cam.ac.uk

- Date: 2014-06-09 10:17:36
    15Logic / Philosophy of life / Reality / Mathematical logic / Logical truth / Tautology / Truth / Existence / Ludwig Wittgenstein / Philosophy / Metaphysics / Ontology

    LexiClone Inc. and NIST TREC. Ilya Geller The UniSearch-4.6 program created by the company LexiClone Inc. for seeking out textual information is intended to search for Reality as well as Truth. Whil

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    Source URL: trec.nist.gov

    Language: English
    16Propositional calculus / Semantics / Boolean algebra / Logical connective / Truth table / Valuation / If and only if / Tautology / Natural deduction / Abstract algebra / Logic / Mathematics

    Three-Valued Logics Notation: p, q, r atomic formulas; A, B, C arbitrary formulas Values = {T, F, N} Valuation = assignment of a value from Values to each atomic formula Can be extended to an assignment of values to each

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    Source URL: johnmacfarlane.net

    Language: English
    17Logical truth / Binary operations / Boolean algebra / Tautology / Logical connective / If and only if / Entailment / Well-formed formula / Truth table / Logic / Propositional calculus / Philosophical logic

    Propositional Logic Review John MacFarlane January 24, 2011 The task of describing a logical system comes in three parts: Grammar Describing what counts as a formula. Semantics Defining truth in a model (and, derivativel

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    Source URL: johnmacfarlane.net

    Language: English - Date: 2011-01-24 19:35:06
    18Boolean algebra / Logical truth / Rules of inference / Modus ponens / Substitution / Tautology / First-order logic / Contradiction / Resolution / Logic / Mathematical logic / Propositional calculus

    CS109B Notes for LectureHow to Prove Things 1. Truth tables | check it out; it takes O(2n ) time on an expression with n variables, but if n is small this is ne.

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    Source URL: infolab.stanford.edu

    Language: English - Date: 2008-09-19 00:59:13
    19Propositional calculus / Predicate logic / Model theory / Semantics / Predicate / Interpretation / First-order logic / Propositional variable / Tautology / Logic / Mathematical logic / Mathematics

    CS109B Notes for LectureWhy Interpretations?  

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    Source URL: infolab.stanford.edu

    Language: English - Date: 2008-09-19 00:59:21
    20Propositional calculus / Model theory / Logical truth / Semantics / Predicate logic / Tautology / First-order logic / Substitution / Function / Logic / Mathematical logic / Mathematics

    CS109B Notes for LectureWhy Tautologies Again?  

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    Source URL: infolab.stanford.edu

    Language: English - Date: 2008-09-19 00:59:23
    UPDATE