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Theorems · Definition · category theory

CategoryTheory.Grp.mkIso

{C : Type u₁} →
  [inst : CategoryTheory.Category.{v₁, u₁} C] →
    [inst_1 : CategoryTheory.CartesianMonoidalCategory C] →
      {G H : CategoryTheory.Grp C} →
        (e : G.X ≅ H.X) →
          autoParam (CategoryTheory.CategoryStruct.comp CategoryTheory.MonObj.one e.hom = CategoryTheory.MonObj.one)
              CategoryTheory.Grp.mkIso._auto_1 →
            autoParam
                (CategoryTheory.CategoryStruct.comp CategoryTheory.MonObj.mul e.hom =
                  CategoryTheory.CategoryStruct.comp (CategoryTheory.MonoidalCategoryStruct.tensorHom e.hom e.hom)
                    CategoryTheory.MonObj.mul)
                CategoryTheory.Grp.mkIso._auto_3 →
              (G ≅ H)

Construct an isomorphism of group objects by giving an isomorphism between the underlying objects and checking compatibility with unit and multiplication only in the forward direction.

Defined in
Mathlib.CategoryTheory.Monoidal.Grp
Cited by
4 results in Mathlib
Foundations
Depth 23 from the axioms · uses propext, Quot.sound
Assumes
CategoryTheory.CategoryCategoryTheory.CartesianMonoidalCategory

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