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view wisdom/categorical product @ 5970:462ea3a590f1
<b_jonas> ` -e bin/en2sv || >bin/en2sv \'use Encode; binmode *$_,"encoding(utf8)" for STDIN,STDOUT; local$/; for (split//,<STDIN>) { rand(5)<3 and y/EOeo/\\xc4\\xc5\\xe4\\xe5/; print }\'; chmod a+x bin/en2sv
author | HackBot |
---|---|
date | Thu, 10 Sep 2015 11:26:11 +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.