contrapositive

Questions

What does contrapositive mean?

The inverse of the converse of a given logical implication.

Where does contrapositive come from?

Etymology tree Proto-Indo-European *ḱe? Proto-Indo-European *ḱóm Proto-Italic *kom Proto-Italic *kom- Proto-Indo-European *-teros Proto-Italic *-teros Proto-Italic *komterosder. Proto-Italic *komterād Latin contrābor. English contra- Proto-Indo-European *h₂ep Proto-Indo-European *-o Proto-Indo-European *h₂epó Proto-Indo-European *h₂pó Proto-Italic *po Proto-Indo-European *teḱ- Proto-Indo-European *-éyti Proto-Indo-European *tḱéytibf. Proto-Indo-European *tḱey- Proto-Indo-European *-né- Proto-Indo-European *-ti Proto-Indo-European *tḱinéti Proto-Italic *sinō Proto-Italic *pozinō Latin pōnō Proto-Indo-European *-wós Proto-Indo-European *-iHwósder. Latin īvus Latin positivusder. Old French positifbor. English positive English contrapositive From contra- + positive.

How to pronounce contrapositive

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