diff options
| author | Cyril Cohen | 2017-11-23 16:33:36 +0100 |
|---|---|---|
| committer | Cyril Cohen | 2018-02-06 13:54:37 +0100 |
| commit | fafd4dac5315e1d4e071b0044a50a16360b31964 (patch) | |
| tree | 5b66c3d67e2b146e3a8013496379b96dd60dc75a /mathcomp/solvable/commutator.v | |
| parent | 835467324db450c8fb8971e477cc4d82fa3e861b (diff) | |
running semi-automated linting on the whole library
Diffstat (limited to 'mathcomp/solvable/commutator.v')
| -rw-r--r-- | mathcomp/solvable/commutator.v | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mathcomp/solvable/commutator.v b/mathcomp/solvable/commutator.v index f3e0779..1f9bad0 100644 --- a/mathcomp/solvable/commutator.v +++ b/mathcomp/solvable/commutator.v @@ -272,7 +272,7 @@ Qed. Lemma der1_joing_cycles (x y : gT) : let XY := <[x]> <*> <[y]> in let xy := [~ x, y] in xy \in 'C(XY) -> XY^`(1) = <[xy]>. -Proof. +Proof. rewrite joing_idl joing_idr /= -sub_cent1 => /norms_gen nRxy. apply/eqP; rewrite eqEsubset cycle_subG mem_commg ?mem_gen ?set21 ?set22 //. rewrite der1_min // quotient_gen -1?gen_subG // quotientU abelian_gen. |