Cardinal.extend_function_of_lt

∀ {α : Type u_1} {β : Type u_2} {s : Set α} (f : ↑s ↪ β),
  Cardinal.mk ↑s < Cardinal.mk α → Nonempty (α ≃ β) → ∃ g, ∀ (x : ↑s), g ↑x = f x

Defined in: Mathlib.SetTheory.Cardinal.Arithmetic
Cited by: 0 results in Mathlib
Foundations: Depth 105 from the axioms · uses propext, Classical.choice, Quot.sound

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