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view wisdom/categorical product @ 11300:3d3ef2b0ffe7
<int-e> learn Recursed is a game of surprising depth.
author | HackBot |
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date | Tue, 02 Jan 2018 19:08:00 +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.