view wisdom/categorical product @ 5512:94a8f88a544b

<shachaf> ` echo \'F="$(find wisdom -type f | shuf -n1)"; echo -n "${F#wisdom/}/" | rnooodl; cat "$F" | rnooodl\' > bin/wisdom
author HackBot
date Thu, 11 Jun 2015 23:37:34 +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.