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Proof step 26 from proof leninv-succ (previous step)

# nσ = ∞, nσ[m0] = nσ[m1] + 1, m < m0, stutf(nσ), nσ[m] ≤ nσ[m1], m1 ≤ m0, ∀ m0. (∃ m1. nσ[m1] = m0 - 1 ∧ ¬(∀ m2. m1 < m2 → nσ[m2] = m0 - 1)) → ¬ nσ[m] + 1 < m0 ⊦ nσ[m0] = nσ[m], ∃ m0. nσ[m0] = nσ[m] ∧ (∀ m1. m0 < m1 → nσ[m1] = nσ[m0] + 1), nσ[m1] = nσ[m1] ∧ ¬(∀ m2. m1 < m2 → nσ[m2] = nσ[m1])

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 27:
# nσ = ∞, nσ[m0] = nσ[m1] + 1, m < m0, stutf(nσ), m1 ≤ m0, nσ[m] ≤ nσ[m1], ∀ m0. (∃ m1. nσ[m1] = m0 - 1 ∧ ¬(∀ m2. m1 < m2 → nσ[m2] = m0 - 1)) → ¬ nσ[m] + 1 < m0, ∀ m2. m1 < m2 → nσ[m2] = nσ[m1] ⊦ nσ[m0] = nσ[m], ∃ m0. nσ[m0] = nσ[m] ∧ (∀ m1. m0 < m1 → nσ[m1] = nσ[m0] + 1)

Proof step 26 from proof leninv-succ (previous step)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

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