diff options
| -rw-r--r-- | test-suite/bugs/closed/shouldsucceed/1905.v | 13 | ||||
| -rw-r--r-- | theories/Program/Equality.v | 2 |
2 files changed, 14 insertions, 1 deletions
diff --git a/test-suite/bugs/closed/shouldsucceed/1905.v b/test-suite/bugs/closed/shouldsucceed/1905.v new file mode 100644 index 000000000..bd7fd7967 --- /dev/null +++ b/test-suite/bugs/closed/shouldsucceed/1905.v @@ -0,0 +1,13 @@ + +Require Import Setoid. + +Axiom t : Set. +Axiom In : nat -> t -> Prop. +Axiom InE : forall (x : nat) (s:t), impl (In x s) True. + +Goal forall a s, + In a s -> False. +Proof. + intros a s Ia. + rewrite InE in Ia. +Admitted.
\ No newline at end of file diff --git a/theories/Program/Equality.v b/theories/Program/Equality.v index bb1ffbd2b..89e44c9bc 100644 --- a/theories/Program/Equality.v +++ b/theories/Program/Equality.v @@ -82,7 +82,7 @@ Ltac simpl_uip := (** Simplify equalities appearing in the context and goal. *) -Ltac simpl_eq := simpl ; repeat (elim_eq_rect ; simpl) ; repeat (simpl_uip ; simpl). +Ltac simpl_eq := simpl ; unfold eq_rec_r, eq_rec ; repeat (elim_eq_rect ; simpl) ; repeat (simpl_uip ; simpl). (** Try to abstract a proof of equality, if no proof of the same equality is present in the context. *) |