contrapositive

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

Or he may mean merely that mortality is a sad thing, his positive subject being men as they are, and his contrapositive men as he desires them to be.

From Logic, Inductive and Deductive by Minto, William

We will show in this manner that the above is really the contrapositive of the 0 proposition.

From Deductive Logic by Stock, St. George William Joseph