• In logic and mathematics, contraposition, or transposition, refers to the inference of going from a conditional statement into its logically equivalent...
    41 KB (6,161 words) - 21:49, 31 July 2024
  • argument: affirming the consequent and denying the antecedent. See also contraposition and proof by contrapositive. The form of a modus tollens argument is...
    13 KB (1,840 words) - 11:31, 27 February 2024
  • Thumbnail for Argument from ignorance
    criticized in the phrase: absence of evidence is not evidence of absence. Contraposition is a logically valid rule of inference that allows the creation of a...
    8 KB (1,019 words) - 12:56, 1 July 2024
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    inference.[citation needed] Modus ponens Conditional proof Classical contraposition Classical reductio ad absurdum Unlike the semantic definition, this...
    16 KB (1,745 words) - 01:42, 20 May 2024
  • a categorical statement. Note that this contraposition in the traditional logic is not same to contraposition (also called transposition) in the modern...
    21 KB (2,458 words) - 00:21, 27 July 2024
  • smaller series, Σ a n {\displaystyle \Sigma a_{n}} must converge. By contraposition, if the red series Σ a n {\displaystyle \Sigma a_{n}} is proven to diverge...
    11 KB (2,028 words) - 01:27, 5 August 2024
  • Thumbnail for Reductio ad absurdum
    as logic and mathematics. Appeal to ridicule Argument from fallacy Contraposition List of Latin phrases Mathematical proof Prasangika Slippery slope Strawman...
    11 KB (1,221 words) - 18:07, 10 July 2024
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    is often used instead of "proof by mathematical induction". Proof by contraposition infers the statement "if p then q" by establishing the logically equivalent...
    37 KB (4,600 words) - 08:16, 2 August 2024
  • inference in propositional logic include modus ponens, modus tollens, and contraposition. First-order predicate logic uses rules of inference to deal with logical...
    11 KB (1,470 words) - 20:01, 10 August 2024
  • Thumbnail for Plato
    ever-changing waters flowing through it, and all things exist as a contraposition of opposites. According to Diogenes Laertius, Plato received these ideas...
    92 KB (9,373 words) - 14:31, 4 August 2024