Theorems · Theorem · order theory

Set.image2_congr

∀ {α : Type u_1} {β : Type u_3} {γ : Type u_5} {f f' : α → β → γ} {s : Set α} {t : Set β},
  (∀ a ∈ s, ∀ b ∈ t, f a b = f' a b) → Set.image2 f s t = Set.image2 f' s t

Defined in

Mathlib.Data.Set.NAry

Cited by

10 results in Mathlib

Foundations

Depth 16 from the axioms · uses propext, Classical.choice, Quot.sound