From a4c7f8bd98be2a200489325ff7c5061cf80ab4f3 Mon Sep 17 00:00:00 2001 From: Enrico Tassi Date: Tue, 27 Dec 2016 16:53:30 +0100 Subject: Imported Upstream version 8.6 --- test-suite/bugs/closed/3886.v | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 test-suite/bugs/closed/3886.v (limited to 'test-suite/bugs/closed/3886.v') diff --git a/test-suite/bugs/closed/3886.v b/test-suite/bugs/closed/3886.v new file mode 100644 index 00000000..2ac4abe5 --- /dev/null +++ b/test-suite/bugs/closed/3886.v @@ -0,0 +1,23 @@ +Require Import Program. + +Inductive Even : nat -> Prop := +| evenO : Even O +| evenS : forall n, Odd n -> Even (S n) +with Odd : nat -> Prop := +| oddS : forall n, Even n -> Odd (S n). + +Program Fixpoint doubleE {n} (e : Even n) : Even (2 * n) + := _ +with doubleO {n} (o : Odd n) : Odd (S (2 * n)) + := _. +Obligations. +Axiom cheat : forall {A}, A. +Obligation 1 of doubleE. +apply cheat. +Qed. + +Obligation 1 of doubleO. +apply cheat. +Qed. + +Check doubleE. \ No newline at end of file -- cgit v1.2.3