view wisdom/modal logic @ 11288:9613519b554c

<int-e> learn 8/8/8/8/8/8/8/8 is an empty chess board in FEN notation.
author HackBot
date Sat, 30 Dec 2017 16:57:14 +0000
parents 3263626338f2
children
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"modal logic" means "the most common logic" (that is, classical logic).