Let x0 of type ι be given.

Let x1 of type ι → ι → ι be given.

Let x2 of type ι → ι → ι be given.

Let x3 of type ι → ι → ι be given.

Let x4 of type ι be given.

Let x5 of type ι → ι → ι be given.

Let x6 of type ι → ι → ι → ι be given.

Let x7 of type ι → ι → ι be given.

Let x8 of type ι → ι → ι → ι be given.

Let x9 of type ι → ι → ι → ι be given.

Let x10 of type ι → ι → ι be given.

Let x11 of type ι → ι → ι be given.

Let x12 of type ι → ι → ι be given.

Let x13 of type ι → ι → ι be given.

Assume H0: Loop_with_defs_cex2 x0 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10 x11 x12 x13.

Assume H1: In x4 x0.

Assume H2: ... ⟶ ... ⟶ ... ⟶ ... ⟶ ... ⟶ ... ⟶ ... ⟶ ... ⟶ ... ⟶ ... ⟶ ... ⟶ ... ⟶ ... ⟶ ... ⟶ ... ⟶ ... ⟶ ... ⟶ ... ⟶ ... ⟶ ... ⟶ ... ⟶ ... ⟶ ... ⟶ ... ⟶ (∀ x14 . In x14 x0 ⟶ ∀ x15 . In x15 x0 ⟶ x13 x14 x15 = x1 (x3 x4 (x3 x4 x14)) (x3 x15 x14)) ⟶ (∀ x14 . In x14 x0 ⟶ ∀ x15 . In x15 x0 ⟶ ∀ x16 . In x16 x0 ⟶ x8 x14 x15 x16 = x2 (x1 x15 x14) (x1 x15 (x1 x14 x16))) ⟶ (∀ x14 . In x14 x0 ⟶ ∀ x15 . In x15 x0 ⟶ ∀ x16 . In x16 x0 ⟶ x9 x14 x15 x16 = x3 (x1 (x1 x16 x14) x15) (x1 x14 x15)) ⟶ (∀ x14 . In x14 x0 ⟶ x2 x4 x14 = x14) ⟶ (∀ x14 . In x14 x0 ⟶ x2 x14 x14 = x4) ⟶ (∀ x14 . In x14 x0 ⟶ x3 x14 x4 = x14) ⟶ (∀ x14 . In x14 x0 ⟶ x3 x14 x14 = x4) ⟶ (∀ x14 . In x14 x0 ⟶ x7 x4 x14 = x14) ⟶ (∀ x14 . In x14 x0 ⟶ x10 x4 x14 = x14) ⟶ (∀ x14 . In x14 x0 ⟶ x11 x4 x14 = x14) ⟶ (∀ x14 . In x14 x0 ⟶ x12 x4 x14 = x14) ⟶ (∀ x14 . In x14 x0 ⟶ x13 x4 x14 = x14) ⟶ (∀ x14 . In x14 x0 ⟶ ∀ x15 . In x15 x0 ⟶ x8 x4 x14 x15 = x15) ⟶ (∀ x14 . In x14 x0 ⟶ ∀ x15 . In x15 x0 ⟶ x8 x14 x4 x15 = x15) ⟶ (∀ x14 . In x14 x0 ⟶ ∀ x15 . In x15 x0 ⟶ x9 x4 x14 x15 = x15) ⟶ (∀ x14 . In x14 x0 ⟶ ∀ x15 . In x15 x0 ⟶ x9 x14 x4 x15 = x15) ⟶ ∀ x14 . In x14 x0 ⟶ ∀ x15 . In x15 x0 ⟶ ∀ x16 . In x16 x0 ⟶ x1 x14 (x1 x15 x16) = x1 (x1 x14 x15) x16.

...

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Proofgold Proof