diff options
Diffstat (limited to 'mathcomp/solvable/alt.v')
| -rw-r--r-- | mathcomp/solvable/alt.v | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mathcomp/solvable/alt.v b/mathcomp/solvable/alt.v index e67a0f9..f95069a 100644 --- a/mathcomp/solvable/alt.v +++ b/mathcomp/solvable/alt.v @@ -270,7 +270,7 @@ have nSyl5: #|'Syl_5(H)| = 1%N. move: (dvdn_leq (isT: (0 < 20)%N) Hdiv). by move: (n) Hdiv; do 20 (case=> //). case: (Sylow_exists 5 H) => S; case/pHallP=> sSH oS. -have{oS} oS: #|S| = 5 by rewrite oS p_part Hcard20. +have{} oS: #|S| = 5 by rewrite oS p_part Hcard20. suff: 20 %| #|S| by rewrite oS. apply: FF => [|S1]; last by rewrite S1 cards1 in oS. apply: char_normal_trans Hnorm; apply: lone_subgroup_char => // Q sQH isoQS. |