矛む盾じゅん原げん理り

noun

principle of contradiction; law of contradiction

A term in formal logic stating that a proposition and its negation cannot both be true at the same time. Also referred to as 矛盾律.

See also: 矛盾律

• 矛む盾じゅん原げん理りによれば、「Aであり、かつAでない」という命めい題だいは常つねに偽ぎである。

  According to the principle of contradiction, the proposition 'A and not A' is always false.