הוכיח בשלילה

Hebrew

Etymology

From הוֹכִיחַ (hokhíakh, “to prove”) + בְּ־ (b'-, “in, with”) + שְׁלִילָה (sh'lilá, “falseness, falsehood”). This etymology is incomplete. You can help Wiktionary by elaborating on the origins of this term.

Verb

הוֹכִיחַ בִּשְׁלִילָה • (hokhíakh bish'lilá) third-singular masculine past (hif'il construction)

1. (mathematics) To prove by contradiction: to prove a statement by assuming its opposite and demonstrating that a contradiction (a false statement) results.