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Proof step 103 from proof leninv-succ (previous step)

nσ[m1] = n, # nσ = ⌜m1⌝ + ⌜1⌝ , stutf(nσ) ⊦ (∃ m. ¬ m1 < m ∧ nσ[m] = n) ∧ (∀ m. (m ≠ 0 → (∃ m0. ¬ m1 < m0 ∧ nσ[m0] = m - 1)) → ¬ n + 1 < m)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

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