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Theorems · Theorem · order theory

Set.restrict_extend_compl_range

Deprecated since 2026-07-19Use Set.domRestrict_extend_compl_range instead.

∀ {α : Type u_1} {β : Type u_2} {γ : Type u_3} (f : α → β) (g : α → γ) (g' : β → γ),
  (Set.range f)ᶜ.domRestrict (Function.extend f g g') = g' ∘ Subtype.val

Alias of Set.domRestrict_extend_compl_range.

Defined in
Mathlib.Data.Set.Restrict
Cited by
0 results in Mathlib
Foundations
Depth 14 from the axioms · uses propext, Classical.choice, Quot.sound

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