Definition of Contraposition. Meaning of Contraposition. Synonyms of Contraposition

Here you will find one or more explanations in English for the word Contraposition. Also in the bottom left of the page several parts of wikipedia pages related to the word Contraposition and, of course, Contraposition synonyms and on the right images related to the word Contraposition.

Definition of Contraposition

Contraposition
Contraposition Con"tra*po*si"tion, n. [Pref. contra- + position: cf. f. conterposition.] 1. A placing over against; opposite position. [Obs.] --F. Potter. 2. (Logic) A so-called immediate inference which consists in denying the original subject of the contradictory predicate; e.g.: Every S is P; therefore, no Not-P is S.

Meaning of Contraposition from wikipedia

- In logic and mathematics, contraposition, or transposition, refers to the inference of going from a conditional statement into its logically equivalent...
- is often used instead of "proof by mathematical induction". Proof by contraposition infers the statement "if p then q" by establishing the logically equivalent...
- argument: affirming the consequent and denying the antecedent. See also contraposition and proof by contrapositive. The form of a modus tollens argument is...
- technical issues, or some kind of oversight from the hiring team. Contraposition is a logically valid rule of inference that allows the creation of a...
- inference.[citation needed] Modus ponens Conditional proof classical contraposition classical reductio ad absurdum Unlike the semantic definition, this...
- a categorical statement. Note that this contraposition in the traditional logic is not same to contraposition (also called transposition) in the modern...
- inference in propositional logic include modus ponens, modus tollens, and contraposition. First-order predicate logic uses rules of inference to deal with logical...
- ever-changing waters flowing through it, and all things exist as a contraposition of opposites. According to Diogenes Laërtius, Plato received these ideas...
- for lunch, then Sam also cannot have eaten an orange for lunch (by contraposition). However, merely saying that Sam did not eat an orange for lunch provides...
- for the second problem, one exists for the first problem as well. By contraposition, if no efficient algorithm exists for the first problem, none exists...