antilogism

[ an-til-uh-jiz-uhm ]

noun

, Logic.

1. a group of three inconsistent propositions, two of which are premises of a syllogism that contradict the third.

Other Words From

• an·tilo·gistic adjective
• an·tilo·gisti·cal·ly adverb

Word History and Origins

Origin of antilogism¹

1900–05; < Late Greek antilogismós, equivalent to anti- anti- + logismós calculation, derivative of logízesthai to calculate, derivative of lógos reckoning