view wisdom/categorical product @ 11243:5c41fb3f6567

<oerjan> # Stolen from Roger9//`learn Bureaucracy (from French bureau, "burrow") is a political system in which squirrels rule the nation, and burrow their nuts.
author HackBot
date Wed, 22 Nov 2017 00:43:46 +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.