Theorems · Definition · category theory

CategoryTheory.CostructuredArrow.left

{C : Type u₁} →
  [inst : CategoryTheory.Category.{v₁, u₁} C] →
    {D : Type u₂} →
      [inst_1 : CategoryTheory.Category.{v₂, u₂} D] →
        {S : CategoryTheory.Functor C D} → {T : D} → CategoryTheory.CostructuredArrow S T → C

The left object of a costructured arrow.

Defined in

Mathlib.CategoryTheory.Comma.StructuredArrow.Basic

Cited by

202 results in Mathlib

Foundations

Depth 24 from the axioms, rests on 122 definitions · uses propext, Classical.choice, Quot.sound

Assumes

CategoryTheory.CategoryCategoryTheory.Category