Documentation

LeanPool.PointwiseComposition.Foundation.FirstOrder.Incompleteness.WitnessComparison

Supporting results for pointwise provable equality.

Witness comparisons of provability #

The Provability Comparison LE construction in FFL.FirstOrder.Theory.

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    The Provability Comparison LT construction in FFL.FirstOrder.Theory.

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      The provability Comparison LE construction in FFL.FirstOrder.Theory.

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        The provability Comparison LT construction in FFL.FirstOrder.Theory.

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          theorem PointwiseComposition.FFL.FirstOrder.Arithmetic.Bootstrapping.ProvabilityComparison.find_minimal_proof_fintype {V : Type u_1} [ORingStructure V] [V↓[ℒₒᵣ] ⊧* 𝐈Σ₁] {L : Language} [L.Encodable] [L.LORDefinable] {T : Theory L} [T.Δ₁] {ι : Type u_2} [Finite ι] (φ : ι → V) {i : ι} (H : Provable T (φ i)) :
          ∃ (j : ι), ∀ (k : ι), T.ProvabilityComparisonLE (φ j) (φ k)