principle of non-contradiction — An Etymological Dictionary of Astronomy and Astrophysics

principle of non-contradiction

پروز ِ ناپادگویی

parvaz-e nâpâdguyi

Fr.: principe de non-contradiction

The third principle of → formal logic introduced in Aristotle’s
theory of the → syllogism: No statement can be both → true and → false at the same time. Also called → law of non-contradiction.

See also: → principle; → non-; → contradiction.

An Etymological Dictionary of Astronomy and Astrophysics