Jason (jcreed) wrote,
Jason
jcreed

Sluggishly started classes again. Physics, blah. Went to Karl Crary's class where Evan did the standard logical relations proof of decidability of equality in LF. Karl actually wasn't there because he had gotten married very recently. Went to the logic seminar. Something about wacky second-order arithmetic theories that corresponded to certain complexity classes nicely.
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