2012-01-24.txt:08:49:47: <oerjan> @tell <zzo38> Does the Haskell compiler know that equality is reflexive? <-- it actually isn't, for Double (NaN)
2012-10-04.txt:16:07:38: <oerjan> @tell <Arc_Koen> doesn't mediawiki have an easy way to display the intersection of two categories?<-- hm i think i may have wanted that yesterday when failing to find out if a kind of brainfuck derivative existed.  or maybe not, not sure what the other category should have been.
2012-10-06.txt:14:34:33: <oerjan> @tell <zzo38> I think the DotFami mapper codes actually form a idempotent commutative monoid, rather than just being a monoid. <-- i think an idempotent commutative monoid may the same as a semilattice