diff options
Diffstat (limited to 'theories/QArith/Qcanon.v')
| -rw-r--r-- | theories/QArith/Qcanon.v | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/theories/QArith/Qcanon.v b/theories/QArith/Qcanon.v index cfe0187a3..06d653e30 100644 --- a/theories/QArith/Qcanon.v +++ b/theories/QArith/Qcanon.v @@ -139,7 +139,7 @@ Theorem Qc_eq_dec : forall x y:Qc, {x=y} + {x<>y}. Proof. intros. destruct (Qeq_dec x y) as [H|H]; auto. - right; swap H; subst; auto with qarith. + right; contradict H; subst; auto with qarith. Defined. (** The addition, multiplication and opposite are defined |