Jason (jcreed) wrote,
Jason
jcreed

Found some interesting things in some of Marco Grandis's old papers. Directed Homotopy I even mentions the upper and lower limit bitopology that I worked out last week. Then again, it also appears in J. C. Kelley's 1963 paper on the topic. Woo for being scooped by 45 years!
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    Playing around with the agda javascript backend, now. Like, my ears are popping from the sudden change of type-theory-pressure.

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    Trying to understand in general what kind of diagrammatic interactions between degree-three nodes actually read sensibly in the lambda calculus:

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    Not sure this is the simplest possible inverse (or even that it is correct) but it makes for a fun diagram:

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