view wisdom/categorical product @ 11043:8c03226a4656

<__kerbal___> learn 13 is supposedly unlucky, and, like 8, banned from #esoteric
author HackBot
date Wed, 28 Jun 2017 13:55:43 +0000
parents 00af4aaadf2c
children
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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 unique morphism w:X->C such that u=wp and v=wq.