Theorems · Definition · logic and foundations

Set.EqOn

{α : Type u} → {β : Type v} → (α → β) → (α → β) → Set α → Prop

Two functions f₁ f₂ : α → β are equal on s if f₁ x = f₂ x for all x ∈ s.

Defined in

Mathlib.Data.Set.Operations

Cited by

603 results in Mathlib

Foundations

Depth 4 from the axioms, rests on 8 definitions · uses no axioms