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| author |  Hugo Herbelin <Hugo.Herbelin@inria.fr> | 2014-06-01 10:26:26 +0200 |
|---|---|---|
| committer | Hugo Herbelin <Hugo.Herbelin@inria.fr> | 2014-06-01 11:33:55 +0200 |
| commit | 76adb57c72fccb4f3e416bd7f3927f4fff72178b (patch) | |
| tree | f8d72073a2ea62d3e5c274c201ef06532ac57b61 /theories/Reals/R_sqrt.v | |
| parent | be01deca2b8ff22505adaa66f55f005673bf2d85 (diff) | |
Making those proofs which depend on names generated for the arguments
in Prop of constructors of inductive types independent of these names.
Incidentally upgraded/simplified a couple of proofs, mainly in Reals.
This prepares to the next commit about using names based on H for such
hypotheses in Prop.
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 2d9419bdf..19e111f23 100644 --- a/theories/Reals/R_sqrt.v +++ b/theories/Reals/R_sqrt.v @@ -37,8 +37,8 @@ Lemma sqrt_sqrt : forall x:R, 0 <= x -> sqrt x * sqrt x = x. Proof. intros. unfold sqrt. - case (Rcase_abs x); intro. - elim (Rlt_irrefl _ (Rlt_le_trans _ _ _ r H)). + case (Rcase_abs x) as [Hlt|Hge]. + elim (Rlt_irrefl _ (Rlt_le_trans _ _ _ Hlt H)). rewrite Rsqrt_Rsqrt; reflexivity. Qed. |