Theorems · Theorem · combinatorics
Prefunctor.IsCovering.of_comp_right
∀ {U : Type u_3} [inst : Quiver U] {V : Type u_1} [inst_1 : Quiver V] (φ : U ⥤q V) {W : Type u_2} [inst_2 : Quiver W]
(ψ : V ⥤q W), ψ.IsCovering → (φ ⋙q ψ).IsCovering → φ.IsCovering- Defined in
- Mathlib.Combinatorics.Quiver.Covering
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- Foundations
- Depth 9 from the axioms · uses no axioms
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- Prefunctor.IsCoveringstatement and proof · cited by 11
- Prefunctor.IsCovering.star_bijectiveproof · cited by 6
- Prefunctor.IsCovering.costar_bijectiveproof · cited by 4
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