Jason (jcreed) wrote,

My attempts at sleeping in have mostly failed. My left thumb is numb and tingly. I could be paranoid about either RSI or the mysterious painful insect-bite-like lumpy things on the side of my left wrist. Yay.

Apart from that, I went back and looked at the Dowek, Hardin, Kirchner, Pfenning paper again and realized that the obstacle I wrestled with those several months ago last time I seriously thought about it might be really easy to clear. All I need to maintain is weak normalization, and I can get around the apparent necessity of a WN-destroying rule that "reduces" any irrelevant cons in a substitution to any other well-typed term by just "baking in" that rule into VarShift and Scons. Not that the non-left-linearity of Scons doesn't still look kind of extra-shifty in the presence of dependent types, but I'm willing to accept it for now.

I did leave "Sequence" in the lounge. Better for it to get played there than collect dust in Florida.

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    Something that's bugged me for a long time is this: How many paths, starting at the origin, taking N steps either up, down, left or right, end up at…

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