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Implement #Bool/induction in impredicative setoid encoding #25
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See http://nponeccop.livejournal.com/480539.html but there are questons |
It turned out that "normal" Bool eliminator is impossible. So this task becomes essentially the task of implementing the impredicative setoid-based encoding (which didn't exist before as a separate task). Blocked by #30 |
$ time (./om print type a "#Data/Bool/induc" , mode "posets" > /dev/null) real 0m1.055s |
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Basically, a function from proofs of
P true
andP false
to a proof offorall x : Bool . P x
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