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Contraposition
(redirected from contrapositions)

   Also found in: Dictionary/thesaurus, Legal, Wikipedia 0.01 sec.
Contraposition 

the law of traditional logic that holds that if from a certain proposition A there follows the proposition B, then from the negation of the proposition B follows the negation of the proposition A (or in the language of conditional propositions: from the truth of the proposition “If A, then B” follows the truth of the proposition “If not B ?, then not- A”).

REFERENCES

Church, A. Vvedenie v matematicheskuiu logiku. Moscow, 1960. (Translated from English.)
Tarski, A. Vvedenie v logiku i metodologiiu deduktivnykh nauk. Moscow, 1948. (Translated from English.)


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While avoiding fierce but infertile contrapositions, this sensible approach is based on the assumption that an incentive-based system may be coupled with preservation policy to create an ideal approach to governing UCH.
Social and Academic Aspects First-time, postsecondary freshmen can benefit from knowing some of the contrapositions of various requirements of postsecondary education versus those found in the secondary school environment.
 
 
 
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