Mathlib Map

Theorems · Theorem · category theory

CategoryTheory.preservesBinaryProducts_of_exponentialIdeal

∀ {C : Type u₁} {D : Type u₂} [inst : CategoryTheory.Category.{v₁, u₁} C] [inst_1 : CategoryTheory.Category.{v₁, u₂} D]
  (i : CategoryTheory.Functor D C) [inst_2 : CategoryTheory.CartesianMonoidalCategory C]
  [inst_3 : CategoryTheory.Reflective i] [inst_4 : CategoryTheory.MonoidalClosed C]
  [CategoryTheory.CartesianMonoidalCategory D] [CategoryTheory.ExponentialIdeal i] [CategoryTheory.BraidedCategory C],
  CategoryTheory.Limits.PreservesLimitsOfShape (CategoryTheory.Discrete CategoryTheory.Limits.WalkingPair)
    (CategoryTheory.reflector i)

If a reflective subcategory is an exponential ideal, then the reflector preserves binary products. This is the converse of exponentialIdeal_of_preserves_binary_products.

Defined in
Mathlib.CategoryTheory.Monoidal.Closed.Ideal
Cited by
1 results in Mathlib
Foundations
Depth 42 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CategoryTheory.CategoryCategoryTheory.CategoryCategoryTheory.CartesianMonoidalCategoryCategoryTheory.ReflectiveCategoryTheory.MonoidalClosedCategoryTheory.CartesianMonoidalCategoryCategoryTheory.ExponentialIdealCategoryTheory.BraidedCategory

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

Cites14

Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.

Cited by1

Results whose statement or proof uses this declaration.