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| author |  letouzey <letouzey@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2012-07-07 13:48:11 +0000 |
|---|---|---|
| committer | letouzey <letouzey@85f007b7-540e-0410-9357-904b9bb8a0f7> | 2012-07-07 13:48:11 +0000 |
| commit | 8efca60569b5f8b53e9839253c6b0392e23c4fc5 (patch) | |
| tree | 513ee900f72e629452485d5b2c3273517c3afec6 /plugins/setoid_ring/Ring_polynom.v | |
| parent | 73d5a4fd2d54c21a7d3b493993313d13618ce831 (diff) | |
Ring_polynom : a restricted simpl instead of a unfold;fold
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@15545 85f007b7-540e-0410-9357-904b9bb8a0f7
Diffstat (limited to 'plugins/setoid_ring/Ring_polynom.v')
| -rw-r--r-- | plugins/setoid_ring/Ring_polynom.v | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/plugins/setoid_ring/Ring_polynom.v b/plugins/setoid_ring/Ring_polynom.v index 4822a0c99..1f21e6dc0 100644 --- a/plugins/setoid_ring/Ring_polynom.v +++ b/plugins/setoid_ring/Ring_polynom.v @@ -1020,7 +1020,7 @@ Section POWER. | None, None => (norm_aux pe1) ++ (norm_aux pe2) end. Proof. - unfold norm_aux at 1; fold norm_aux. + simpl (norm_aux (PEadd _ _)). destruct pe1; [ | | | | | reflexivity | ]; destruct pe2; simpl get_PEopp; reflexivity. Qed. |