Theorems · Theorem · category theory
CategoryTheory.Abelian.Pseudoelement.epi_of_pseudo_surjective
∀ {C : Type u} [inst : CategoryTheory.Category.{v, u} C] [inst_1 : CategoryTheory.Abelian C] {P Q : C} (f : P ⟶ Q),
Function.Surjective (CategoryTheory.Abelian.Pseudoelement.pseudoApply f) → CategoryTheory.Epi fA morphism that is surjective on pseudoelements is an epimorphism.
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- Foundations
- Depth 93 from the axioms · uses propext, Classical.choice, Quot.sound
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