diff options
| author | affeldt-aist | 2020-11-20 12:41:11 +0900 |
|---|---|---|
| committer | GitHub | 2020-11-20 12:41:11 +0900 |
| commit | 3bb1ccc63170e3e71ef9d5b62758b6fdb1c4371c (patch) | |
| tree | 076b8d8c53eaaf424258388bbd0068970c55b85f /mathcomp/fingroup/automorphism.v | |
| parent | 676a9266ad77232ab198c86a6a3a3f3f6ba53cc0 (diff) | |
| parent | e565f8d9bebd4fd681c34086d5448dbaebc11976 (diff) | |
Merge pull request #658 from CohenCyril/duplicate_clear
Removing duplicate clears and turning the warning into an error
Diffstat (limited to 'mathcomp/fingroup/automorphism.v')
| -rw-r--r-- | mathcomp/fingroup/automorphism.v | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mathcomp/fingroup/automorphism.v b/mathcomp/fingroup/automorphism.v index b9ed8e1..a2cda05 100644 --- a/mathcomp/fingroup/automorphism.v +++ b/mathcomp/fingroup/automorphism.v @@ -432,7 +432,7 @@ Lemma lone_subgroup_char G H : H \char G. Proof. move=> sHG Huniq; apply/charP; split=> // f injf Gf; apply/eqP. -have{injf} injf: {in H &, injective f}. +have{} injf: {in H &, injective f}. by move/injmP: injf; apply: sub_in2; apply/subsetP. have fH: f @* H = f @: H by rewrite /morphim (setIidPr sHG). rewrite eqEcard {2}fH card_in_imset ?{}Huniq //=. |