PFun.core_mono

∀ {α : Type u_1} {β : Type u_2} (f : α →. β) {s t : Set β}, s ⊆ t → f.core s ⊆ f.core t

Defined in: Mathlib.Data.PFun
Cited by: 0 results in Mathlib
Foundations: Depth 58 from the axioms · uses propext, Classical.choice, Quot.sound

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