Noun
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.
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.
Source: Webster's dictionaryModern medicine is a negation of health. It isn't organized to serve human health, but only itself, as an institution. It makes more people sick than it heals. Ivan Illich
I believe it safe to say that all progress must lead, not to further progress, but finally to the negation of progress, a return to the point of departure. Eugène Delacroix
Socialism is the completion of democracy, not the negation of it. Terry Eagleton
This is the negation of God erected into a system of Government. William Ewart Gladstone
Death makes no sense except to people who have passionately loved life. How can one die without having something to part from? Detachment is a negation of both life and death. Whoever has overcome his fear of death has also triumphed over life. For life is nothing but another word for this fear. Emil Cioran
Negation proves nothing. Latin Proverb