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<b_jonas> echo $\'#!/usr/bin/perl\\n\'\'$_=shift;sub k{my$t;$t=~y/IVXLC/XLCDM/,$t.=("",I,II,III,IV,V,VI,VII,VIII,IX)[$_]for/./g;$$t=$_;$t}k for s""\\$"..4e3;print eval(),$/\' > bin/fromroman && chmod a+x bin/fromroman
author HackBot
date Fri, 14 Nov 2014 21:22:56 +0000
parents 74cae6b8f28c
children 00af4aaadf2c
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line source

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.