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Prove join univ pi contra

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Yiyun Liu 2024-12-25 21:11:58 -05:00
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commit 80d8b13e49
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theories/logrel.v Normal file
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Require Import Autosubst2.core Autosubst2.fintype Autosubst2.syntax.
Definition ProdSpace {n} (PA : Tm n -> Prop)
(PF : Tm n -> (Tm n -> Prop) -> Prop) : Tm n -> Prop :=
fun b => forall a PB, PA a -> PF a PB -> PB (App b a).