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<izabera> ` echo \'sed "s/./& /g;s/.*/20k&p/" <<< "$*" | dc\' > bin/unaryrpn; chmod +x bin/unaryrpm; unaryrpm 111+/
author HackBot
date Tue, 20 Dec 2016 23:17:40 +0000
parents 74cae6b8f28c
children 00af4aaadf2c
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categorical product is like when you have two category elements A and B then their product is element C iff there are two morphisms p:C->A and q:C->B such that for every element X and morphisms u:X->A and v:X->B there is a morphism w:X->C such that u=wp and v=wq.