view wisdom/lambek's lemma @ 8486:3263626338f2

<shachaf> le/rn modal logic/"modal logic" means "the most common logic" (that is, classical logic).
author HackBot
date Thu, 16 Jun 2016 04:56:50 +0000
parents 4d453e9a7250
children d3a12978331a
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Lambek's Lemma, invented by Joachim "Taneb" Lambek, states that initial algebras have inverses.