Remove AddGroup symbol.

This commit is contained in:
favonia 2017-06-08 17:48:26 -06:00
parent bc69a96faa
commit 8362498b56

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@ -124,7 +124,7 @@ namespace group
dirsum_elim (λi, dirsum_incl Y' i ∘g f i)
theorem dirsum_functor_compose (f' : Πi, Y' i →g Y'' i) (f : Πi, Y i →g Y' i) :
dirsum_functor f' ∘a dirsum_functor f ~ dirsum_functor (λi, f' i ∘a f i) :=
dirsum_functor f' ∘g dirsum_functor f ~ dirsum_functor (λi, f' i ∘g f i) :=
begin
apply dirsum_homotopy,
intro i y, reflexivity,