contrapositive

Example Sentences

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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

But take the obverse of the contrapositive of both premises: All m is p; All m is s: ∴ Some s is p.

From Logic Deductive and Inductive by Read, Carveth

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

As before, the conclusion in the constructive type resolves itself into the subalternate of the major itself, and in the destructive type into the subalternate of its contrapositive.

From Deductive Logic by Stock, St. George William Joseph