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-rw-r--r--theories/ZArith/Zsqrt.v5
1 files changed, 2 insertions, 3 deletions
diff --git a/theories/ZArith/Zsqrt.v b/theories/ZArith/Zsqrt.v
index 1a78c90dff..1293ec6c2e 100644
--- a/theories/ZArith/Zsqrt.v
+++ b/theories/ZArith/Zsqrt.v
@@ -25,17 +25,16 @@ Tactic Definition compute_POS :=
| [|- [(POS (xI ?1))]] -> Let v = ?1 In
(Match v With
| [ [xH] ] ->
- (Fail 1)
+ Fail
|_->
Rewrite (POS_xI v))
| [ |- [(POS (xO ?1))]] -> Let v = ?1 In
Match v With
|[ [xH] ]->
- (Fail 1)
+ Fail
|[?]->
Rewrite (POS_xO v)).
-
Inductive sqrt_data [n : Z] : Set :=
c_sqrt: (s, r :Z)`n=s*s+r`->`0<=r<=2*s`->(sqrt_data n) .