Set.InjOn.image_sdiff_subset

∀ {α : Type u_1} {β : Type u_2} {s : Set α} {f : α → β} {t : Set α},
  Set.InjOn f s → t ⊆ s → f '' (s \ t) = f '' s \ f '' t

Defined in: Mathlib.Data.Set.Function
Cited by: 5 results in Mathlib
Foundations: Depth 60 from the axioms · uses propext, Classical.choice, Quot.sound

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