diff options
Diffstat (limited to 'theories/ZArith/Zsqrt.v')
| -rw-r--r-- | theories/ZArith/Zsqrt.v | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/theories/ZArith/Zsqrt.v b/theories/ZArith/Zsqrt.v index 9893bed3..3f475a63 100644 --- a/theories/ZArith/Zsqrt.v +++ b/theories/ZArith/Zsqrt.v @@ -6,7 +6,7 @@ (* * GNU Lesser General Public License Version 2.1 *) (************************************************************************) -(* $Id: Zsqrt.v 9245 2006-10-17 12:53:34Z notin $ *) +(* $Id: Zsqrt.v 9551 2007-01-29 15:13:35Z bgregoir $ *) Require Import ZArithRing. Require Import Omega. @@ -132,7 +132,7 @@ Definition Zsqrt : (fun r:Z => 0 = 0 * 0 + r /\ 0 * 0 <= 0 < (0 + 1) * (0 + 1)) 0 _) end); try omega. -split; [ omega | rewrite Heq; ring_simplify ((s + 1) * (s + 1)); omega ]. + split; [ omega | rewrite Heq; ring_simplify (s*s) ((s + 1) * (s + 1)); omega ]. Defined. (** Define a function of type Z->Z that computes the integer square root, |