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| author | Cyril Cohen | 2018-02-06 19:36:53 +0100 |
|---|---|---|
| committer | GitHub | 2018-02-06 19:36:53 +0100 |
| commit | d6bc72cd477ed6fe8b95782b26a2e0fc92711395 (patch) | |
| tree | 6996e39182b97573b1cdecaeb7c8c8a3f58c1e77 /mathcomp/solvable/commutator.v | |
| parent | 11e539dae1bfe8bc67fc7bd1eb65ee3b4c29f813 (diff) | |
| parent | f3ce9ace4b55654d6240db9eb41a6de3c488f0d9 (diff) | |
Merge pull request #164 from CohenCyril/linting
linting of 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. |