diff options
Diffstat (limited to 'theories/NArith/BinNat.v')
| -rw-r--r-- | theories/NArith/BinNat.v | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/theories/NArith/BinNat.v b/theories/NArith/BinNat.v index 61a77bf0e..256dce782 100644 --- a/theories/NArith/BinNat.v +++ b/theories/NArith/BinNat.v @@ -944,7 +944,7 @@ Proof. destruct n as [|n]; simpl in *. destruct m. now destruct p. elim (Pos.nlt_1_r _ H). rewrite Pos.iter_succ. simpl. - set (u:=Pos.iter n xO p) in *; clearbody u. + set (u:=Pos.iter xO p n) in *; clearbody u. destruct m as [|m]. now destruct u. rewrite <- (IHn (Pos.pred_N m)). rewrite <- (testbit_odd_succ _ (Pos.pred_N m)). @@ -968,7 +968,7 @@ Proof. rewrite <- IHn. rewrite testbit_succ_r_div2 by apply le_0_l. f_equal. simpl. rewrite Pos.iter_succ. - now destruct (Pos.iter n xO p). + now destruct (Pos.iter xO p n). apply succ_le_mono. now rewrite succ_pos_pred. Qed. |