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-rw-r--r--src/Util/Sumbool.v8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/Util/Sumbool.v b/src/Util/Sumbool.v
index 4008e67f6..81a73873c 100644
--- a/src/Util/Sumbool.v
+++ b/src/Util/Sumbool.v
@@ -57,13 +57,13 @@ Ltac induction_path_sumbool H :=
end.
Ltac inversion_sumbool_step :=
match goal with
- | [ H : _ = left _ |- _ ]
+ | [ H : left _ = left _ |- _ ]
=> induction_path_sumbool H
- | [ H : left _ = _ |- _ ]
+ | [ H : left _ = right _ |- _ ]
=> induction_path_sumbool H
- | [ H : _ = right _ |- _ ]
+ | [ H : right _ = left _ |- _ ]
=> induction_path_sumbool H
- | [ H : right _ = _ |- _ ]
+ | [ H : right _ = right _ |- _ ]
=> induction_path_sumbool H
end.
Ltac inversion_sumbool := repeat inversion_sumbool_step.