contrapositive


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Related to contrapositive: Proof by contradiction, Proof by contrapositive

contrapositive

[¦kän·trə′päz·əd·iv]
(mathematics)
The contrapositive of the statement “if p, then q ” is the equivalent statement “if not q, then not p.”
References in periodicals archive ?
See Jim Loy, Converse, Inverse, Contrapositive (1999), http://www.
As environmentalism has become entrenched, a contrapositive has sprung up, which may be called unvironmentalism.
The contrapositive of the sufficiency condition of Theorem 3 is of some economic interest, stating a condition that must hold under an assumption that all risk averters value the information more than the risk neutral benchmark.