diff options
Diffstat (limited to 'mathcomp/character/mxabelem.v')
| -rw-r--r-- | mathcomp/character/mxabelem.v | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/mathcomp/character/mxabelem.v b/mathcomp/character/mxabelem.v index 69055d4..22ab389 100644 --- a/mathcomp/character/mxabelem.v +++ b/mathcomp/character/mxabelem.v @@ -511,7 +511,7 @@ Proof. by rewrite im_abelem_rV inE. Qed. Lemma sub_im_abelem_rV mA : subset mA (mem (ErV @* E)). Proof. by rewrite unlock; apply/pred0P=> v /=; rewrite mem_im_abelem_rV. Qed. -Hint Resolve mem_im_abelem_rV sub_im_abelem_rV. +Hint Resolve mem_im_abelem_rV sub_im_abelem_rV : core. Lemma abelem_rV_1 : ErV 1 = 0%R. Proof. by rewrite morph1. Qed. @@ -552,7 +552,7 @@ Proof. by rewrite -im_rVabelem mem_morphim. Qed. Lemma sub_rVabelem L : rV_E @* L \subset E. Proof. by rewrite -[_ @* L]morphimIim im_invm subsetIl. Qed. -Hint Resolve mem_rVabelem sub_rVabelem. +Hint Resolve mem_rVabelem sub_rVabelem : core. Lemma card_rVabelem L : #|rV_E @* L| = #|L|. Proof. by rewrite card_injm ?rVabelem_injm. Qed. |