diff options
Diffstat (limited to 'theories/ZArith/Znat.v')
| -rw-r--r-- | theories/ZArith/Znat.v | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/theories/ZArith/Znat.v b/theories/ZArith/Znat.v index 454f62aa9e..353ab602eb 100644 --- a/theories/ZArith/Znat.v +++ b/theories/ZArith/Znat.v @@ -318,7 +318,7 @@ Qed. Lemma Z_of_N_minus : forall n m, Z_of_N (n-m) = Zmax 0 (Z_of_N n - Z_of_N m). Proof. - intros [|n] [|m]; simpl; trivial. + intros [|n] [|m]; simpl; trivial. rewrite Z.pos_sub_spec. case Pcompare_spec; intros H. subst. now rewrite Pminus_mask_diag. rewrite Pminus_mask_Lt; trivial. |
