diff options
Diffstat (limited to 'theories/Reals/R_sqrt.v')
| -rw-r--r-- | theories/Reals/R_sqrt.v | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/theories/Reals/R_sqrt.v b/theories/Reals/R_sqrt.v index b588d96c7..2f2a52d08 100644 --- a/theories/Reals/R_sqrt.v +++ b/theories/Reals/R_sqrt.v @@ -13,7 +13,7 @@ Require Import Rfunctions. Require Import Rsqrt_def. Open Local Scope R_scope. (* Here is a continuous extension of Rsqrt on R *) -Definition sqrt (x:R) : R := +Boxed Definition sqrt (x:R) : R := match Rcase_abs x with | left _ => 0 | right a => Rsqrt (mknonnegreal x (Rge_le _ _ a)) @@ -396,4 +396,4 @@ unfold Rdiv in |- *; rewrite <- Ropp_mult_distr_l_reverse. rewrite Ropp_minus_distr. reflexivity. reflexivity. -Qed.
\ No newline at end of file +Qed. |