Jason (jcreed) wrote,
Jason
jcreed

-

Coded up equalizers-from-pullbacks.

Working on encoding Beck-Chevalley into the blob
of twelf I already have. Added some monic
manipulation lemmas and defined the arrow part
of the power object functor and direct image.

Hm. Might map_c follow from map_u?
Maybe not.

Garg, bumping up against performance issues
trying to prove the two-pullback lemma.
There must be a better way...

Car is fixed after all. Huh.
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