Definify.com
Webster 1913 Edition
Negation
Ne-ga′tion
,Noun.
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
affirmation
. Our assertions and
negations
should be yea and nay. Rogers.
2.
(Logic)
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.
Webster 1828 Edition
Negation
NEGATION
,Noun.
1.
Denial; a declaration that something is not; opposed to affirmation; as, the soul is not matter.2.
In logic, description by denial, exclusion or exception.Negation is the absence of that which does not belong to the thing we are speaking of.
3.
Argument drawn from denial.It may be proved by way of negation, that they came not from Europe, as having no remainder of the arts, learning and civilities of it.