2023-01-25 21:17:49 +01:00
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type var = Ix of int
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2022-09-03 12:41:54 +02:00
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type name = string
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2023-01-25 21:17:49 +01:00
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type icit
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2022-09-03 12:41:54 +02:00
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= Imp
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| Exp
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2023-01-25 21:17:49 +01:00
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type ast
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= Var of var
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2023-01-26 16:49:17 +01:00
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| Test of A.exp
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2023-01-25 21:17:49 +01:00
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| Type
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| T0
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| Ind0 of ast * ast
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| T1
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| T1tr (* Unit eta rule instead of elimination principle *)
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| TNat
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| Zero
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| Suc of ast
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| IndN of ast * ast * ast * ast
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| TBool
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| True
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| False
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| IndB of ast * ast * ast * ast (* ordered true, false *)
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| Pi of icit * ast * ast
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| Lam of icit * ast
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| App of icit * ast
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| Sg of ast * ast
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| Pair of ast * ast
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| Fst of ast
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| Snd of ast
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| Let of ast * ast * ast (* tr : ty in sc *)
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