Theorems · Theorem · order theory

Set.image_comp

∀ {α : Type u_1} {β : Type u_2} {γ : Type u_3} (f : β → γ) (g : α → β) (a : Set α), f ∘ g '' a = f '' g '' a

Defined in

Mathlib.Data.Set.Image

Cited by

142 results in Mathlib

Foundations

Depth 8 from the axioms, rests on 23 definitions · uses propext, Quot.sound