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module T = Term
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2023-01-31 19:51:46 +01:00
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module C = Common
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type lvl = Lvl of int
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type closure = C of env * T.term
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and closure2 = C2 of env * T.term (* 2 variables missing *)
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and env = value list
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and value
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= Type
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| T0
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| T1
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| T1vl
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| TNat
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| Suc of value
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| Zero
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| TBool
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| True
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| False
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| Pi of value * closure
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| Lam of closure
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| Sg of value * closure
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| Pair of value * value
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| Stuck of stuck * value (* second arg is type *)
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and stuck
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= Var of lvl
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| Meta of C.meta
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| Ind0 of closure * stuck
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| IndN of closure * value * closure2 * stuck
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| IndB of closure * value * value * stuck
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| App of stuck * value * value (* fn; val; type of fn *)
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| Fst of stuck
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| Snd of stuck
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