Category:Negation

Ne*ga"tion, n. Etym: [l. negatio, fr. negare to say no, to deny; ne Not + the root of aio i say; cf. Gr. ah to say; cf. F. négation. See No, adv., and cf. Adage, deny, renegade.]

1. The act of denying; assertion of the nonreality or untruthfulness Of anything; declaration that something is not, or has not been, or Will not be; denial; -- the opposite of ant: affirmation. Our assertions and negations should be yea and nay. Rogers.

2. (logic)

Defn: description or definition by denial, exclusion, or exception; Statement of what a thing is not, or has not, from which may be Inferred what it is or has.