Thesaurus.com
Dictionary.com
Definitions

contrapositive

[kon-truh-poz-i-tiv] / ˌkɒn trəˈpɒz ɪ tɪv /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The proof of part ii. is the contrapositive of part i.

From Textbooks • Mar. 30, 2016

He has a wife and kids at home," says twin Nicole, who then states the contrapositive of the real lesson of reality programming: "Celebs like him are just average normal people.

From Time Magazine Archive

So a man may say, "All men are mortal," meaning that the angels never taste death, "angels" being the contrapositive of his subject "men".

From Logic, Inductive and Deductive by Minto, William

Under the same law, we know that he has a homogeneous contrapositive of the subject, a subject that admits of the same predicate, some other book in short.

From Logic, Inductive and Deductive by Minto, William

But inasmuch as any positive may have more than one contrapositive, we cannot tell immediately or without some knowledge of the circumstances or context, what the precise counter-implicate is.

From Logic, Inductive and Deductive by Minto, William