What is another word for contrapositive?

Pronunciation: [kˌɒntɹəpˈɒzɪtˌɪv] (IPA)

The term "contrapositive" is often used in logic and mathematics to describe a statement that is formed by negating and reversing the original statement. Some synonyms for this term include inverse, converse, and reciprocal. The inverse of a statement is created by negating both the hypothesis and the conclusion, while the converse is formed by reversing the hypothesis and the conclusion. The reciprocal is a term used in mathematics to depict the inverse of a fraction. Understanding these synonyms and their meanings is essential when working with logical and mathematical operations where formulating alternative statements are required.

Synonyms for Contrapositive:

What are the hypernyms for Contrapositive?

A hypernym is a word with a broad meaning that encompasses more specific words called hyponyms.

Usage examples for Contrapositive

Every positive in thought has a contrapositive, and the positive and contrapositive are of the same kind.
"Logic, Inductive and Deductive"
William Minto
Every positive in thought has its contrapositive.
"Logic, Inductive and Deductive"
William Minto
The proposition 'No A is B' is not considered to assert directly, but only implicitly, that 'No B is A.' In the same way the form 'Either A is B or C is D' ought to be interpreted as meaning directly no more than this, 'If A is not B, C is D.' It asserts indeed by implication also that 'If C is not D, A is B.' But this is an immediate inference, being, as we shall presently see, the contrapositive of the original.
"Deductive Logic"
St. George Stock

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