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

It is always by means of some contrapositive that we make the object of our thoughts definite; it is not necessarily always the same opposite, but against whatever opposite it is, they are always homogeneous.

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

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