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<hppavilion[0]> ` sed -i "s/ERsi/ERlis/" bin/grwfi
author HackBot
date Fri, 16 Dec 2016 19:48:09 +0000
parents 836a254d2791
children
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A frame is just a complete Heyting algebra. Frame homomorphisms don't preserve implication, if you know what I mean.