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Theorems · Theorem · logic and foundations

FirstOrder.Language.Theory.exists_large_model_of_infinite_model

∀ {L : FirstOrder.Language} (T : L.Theory) (κ : Cardinal.{w}) (M : Type w') [inst : L.Structure M] [M ⊨ T] [Infinite M],
  ∃ N, Cardinal.lift.{max u v w, w} κ ≤ Cardinal.mk ↑N

Any theory with an infinite model has arbitrarily large models.

Defined in
Mathlib.ModelTheory.Satisfiability
Cited by
1 results in Mathlib
Foundations
Depth 94 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
FirstOrder.Language.StructureFirstOrder.Language.Theory.ModelInfinite

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