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Theorems · Definition · category theory

CategoryTheory.Limits.productUniqueIso

{β : Type w} →
  {C : Type u} → [inst : CategoryTheory.Category.{v, u} C] → [inst_1 : Unique β] → (f : β → C) → ∏ᶜ f ≅ f default

A product over an index type with exactly one term is just the object over that term.

Defined in
Mathlib.CategoryTheory.Limits.Shapes.Products
Cited by
4 results in Mathlib
Foundations
Depth 32 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CategoryTheory.CategoryUnique

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Cited by5

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