noncontradiction

noun

non·​con·​tra·​dic·​tion ˌnän-ˌkän-trə-ˈdik-shən 

: absence of logical contradiction

… the law of noncontradiction, which states that contradictory propositions cannot both be true at the same time and in the same sense.

—Pat Zukeran

Examples of noncontradiction in a Sentence

Recent Examples on the Web

Anti-Semitism defies the law of noncontradiction, and that’s nothing new: Jews have been persecuted and blamed for both capitalism and communism. —Eliora Katz, WSJ, 29 Oct. 2018

Word History

First Known Use

1853, in the meaning defined above