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view wisdom/categorical product @ 5767:9e9a95b1323a
<ais523> le/rn hash 2346ad27d7568ba9896f1b7da6b5991251debdf2
author | HackBot |
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date | Sat, 27 Jun 2015 00:25:31 +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.