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Proof step 121 from proof inv-ls-succ (previous step)

nσ[n1] = n, nσ[n0] = n + 1, leninv(nσ) = ∞, ⌜n0⌝ < # nσ, ⌜n1⌝ < # nσ, stutf(nσ), n0 ≤ n1, ∀ m. ⌜m⌝ < # nσ ∧ nσ[m] = n + 1 → ¬ n0 < m, ∀ m. ⌜m⌝ < # nσ ∧ nσ[m] = n → ¬ n1 < m ⊦

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 122:
nσ[n0] = nσ[n1] + 1, leninv(nσ) = ∞, ⌜n1⌝ < # nσ, ⌜n0⌝ < # nσ, stutf(nσ), n0 ≤ n1, ∀ m. ⌜m⌝ < # nσ ∧ nσ[m] = nσ[n1] → ¬ n1 < m, ∀ m. ⌜m⌝ < # nσ ∧ nσ[m] = nσ[n0] → ¬ n0 < m ⊦

Proof step 121 from proof inv-ls-succ (previous step)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Rule argument

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