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fix comment and simplify intros in Group.v #2084

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Sep 12, 2024
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fix comment and simplify intros in Group.v #2084

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4 changes: 2 additions & 2 deletions theories/Algebra/Groups/Group.v
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Original file line number Diff line number Diff line change
Expand Up @@ -88,7 +88,7 @@ End GroupLaws.
(** TODO: improve this tactic so that it also rewrites and is able to solve basic group lemmas. *)
Tactic Notation "grp_auto" := hnf; intros; eauto with group_db.

(** * Some basic properties of groups *)
(** ** Some basic properties of groups *)

(** Groups are pointed sets with point the identity. *)
Global Instance ispointed_group (G : Group)
Expand Down Expand Up @@ -676,7 +676,7 @@ Global Instance is0functor_postcomp_grouphomomorphism {A B C : Group} (h : B $->
: Is0Functor (@cat_postcomp Group _ _ A B C h).
Proof.
apply Build_Is0Functor.
intros [f ?] [g ?] p a ; exact (ap h (p a)).
intros f g p a ; exact (ap h (p a)).
Defined.

Global Instance is0functor_precomp_grouphomomorphism
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