diff options
Diffstat (limited to 'theories/PArith/BinPos.v')
-rw-r--r-- | theories/PArith/BinPos.v | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/theories/PArith/BinPos.v b/theories/PArith/BinPos.v index 0ccfad7b..7baf102a 100644 --- a/theories/PArith/BinPos.v +++ b/theories/PArith/BinPos.v @@ -201,7 +201,6 @@ Proof. Qed. (** ** No neutral elements for addition *) - Lemma add_no_neutral p q : q + p <> p. Proof. revert q. @@ -508,7 +507,7 @@ Qed. Lemma mul_xO_discr p q : p~0 * q <> q. Proof. induction q; try discriminate. - rewrite mul_xO_r; injection; assumption. + rewrite mul_xO_r; injection; auto. Qed. (** ** Simplification properties of multiplication *) |