Jason (jcreed) wrote,


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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    Didn't sleep well. Long day of work. Dinner with akiva at hanamichi.

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    K was going to do a thing for her dad's birthday, but scheduling kept slipping and slipping so I guess we're going to try doing it tomorrow instead.

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    Had a pleasant lunch with paul and gabe back from working-at-facebook times. Discussed the important issues of the day, by which I mean video games…

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