Merge two group namespaces.
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1 changed files with 3 additions and 7 deletions
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@ -95,13 +95,6 @@ namespace eq
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end eq open eq
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namespace group
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definition isomorphism_ap {A : Type} (F : A → Group) {a b : A} (p : a = b) : F a ≃g F b :=
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isomorphism_of_eq (ap F p)
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end group
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namespace pmap
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definition eta {A B : Type*} (f : A →* B) : pmap.mk f (respect_pt f) = f :=
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@ -184,6 +177,9 @@ namespace group
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-- : @is_mul_hom G G' (@ab_group.to_group _ (AbGroup.struct G)) _ φ :=
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-- homomorphism.struct φ
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definition isomorphism_ap {A : Type} (F : A → Group) {a b : A} (p : a = b) : F a ≃g F b :=
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isomorphism_of_eq (ap F p)
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end group open group
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namespace function
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