Negation definition

Negation

Topics Negation Definition

WordNet

(1) (logic) a proposition that is true if and only if another proposition is false

(2) The speech act of negating

(3) A negative statement; a statement that is a refusal or denial of some other statement

WiktionaryText

The act of negating something.
A denial or contradiction.
A proposition that is true if and only if another one is false; a proposition resulting from the application to another proposition of the logical operation "not".