diff options
| author |  msozeau <msozeau@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2009-12-06 00:20:53 +0000 |
|---|---|---|
| committer | msozeau <msozeau@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2009-12-06 00:20:53 +0000 |
| commit | 4cc4e14d6e34752c613d6701e5378708b219b242 (patch) | |
| tree | adea493acbf3e09f0bdb73b7b72b40baf20b2188 /theories/Numbers/Rational | |
| parent | 7533b5b51bfaa580fb237591b0fc747e0172526d (diff) | |
Fix anomaly when using typeclass resolution with filtered hyps in evars.
Make setoid_rewrite-through-rewrite's selection of occurences more
robust: do not try unification with reduction if not needed.
This changes a few scripts that were using reduction in a far from
obvious way and could break more.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12562 85f007b7-540e-0410-9357-904b9bb8a0f7
Diffstat (limited to 'theories/Numbers/Rational')
| -rw-r--r-- | theories/Numbers/Rational/BigQ/QMake.v | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/theories/Numbers/Rational/BigQ/QMake.v b/theories/Numbers/Rational/BigQ/QMake.v index efe76d916..046dd2dfd 100644 --- a/theories/Numbers/Rational/BigQ/QMake.v +++ b/theories/Numbers/Rational/BigQ/QMake.v @@ -1193,7 +1193,7 @@ Module Make (N:NType)(Z:ZType)(Import NZ:NType_ZType N Z) <: QType. rewrite strong_spec_red. symmetry; apply (Qred_complete (x+(-y)%Qc)%Q). rewrite spec_sub_norm, ! strong_spec_of_Qc. - unfold Qcopp, Q2Qc; rewrite Qred_correct; auto with qarith. + unfold Qcopp, Q2Qc, this. rewrite Qred_correct ; auto with qarith. Qed. Theorem spec_mulc x y: @@ -1294,7 +1294,7 @@ Module Make (N:NType)(Z:ZType)(Import NZ:NType_ZType N Z) <: QType. rewrite strong_spec_red. symmetry; apply (Qred_complete (x*(/y)%Qc)%Q). rewrite spec_div_norm, ! strong_spec_of_Qc. - unfold Qcinv, Q2Qc; rewrite Qred_correct; auto with qarith. + unfold Qcinv, Q2Qc, this; rewrite Qred_correct; auto with qarith. Qed. Theorem spec_squarec x: [[square x]] = [[x]]^2. |