diff options
Diffstat (limited to 'theories/Numbers/Integer/BigZ')
| -rw-r--r-- | theories/Numbers/Integer/BigZ/ZMake.v | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/theories/Numbers/Integer/BigZ/ZMake.v b/theories/Numbers/Integer/BigZ/ZMake.v index 173a8f177..0bcf22e32 100644 --- a/theories/Numbers/Integer/BigZ/ZMake.v +++ b/theories/Numbers/Integer/BigZ/ZMake.v @@ -383,13 +383,13 @@ Module Make (N:NType) <: ZType. | Neg nx => Neg N.zero end. - Theorem spec_sqrt: forall x, to_Z (sqrt x) = Zsqrt (to_Z x). + Theorem spec_sqrt: forall x, to_Z (sqrt x) = Z.sqrt (to_Z x). Proof. destruct x as [p|p]; simpl. apply N.spec_sqrt. rewrite N.spec_0. destruct (Z_le_lt_eq_dec _ _ (N.spec_pos p)) as [LT|EQ]. - rewrite Zsqrt_neg; auto with zarith. + rewrite Z.sqrt_neg; auto with zarith. now rewrite <- EQ. Qed. |