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-rw-r--r--src/Reflection/ExprInversion.v1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/Reflection/ExprInversion.v b/src/Reflection/ExprInversion.v
index 9fc373a74..29a5bc60a 100644
--- a/src/Reflection/ExprInversion.v
+++ b/src/Reflection/ExprInversion.v
@@ -148,6 +148,7 @@ Ltac invert_expr_subst_step :=
=> let f := fresh e in
let H := fresh in
remember (invert_Abs e) as f eqn:H;
+ symmetry in H;
apply invert_Abs_Some in H
| [ H : invert_Abs ?e = _ |- _ ] => apply invert_Abs_Some in H
| [ H : invert_Return ?e = _ |- _ ] => apply invert_Return_Some in H