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Proof step 31 from proof inv-get-lslen (previous step)

# nσ = ⌜m⌝ + ⌜1⌝ , m0 < ∞.n, m0 ≤ m, m < ∞.n, stutf(nσ), nσ[m0] ≤ nσ[m], ∀ n0. m < n0 ∨ nσ[n0] ≠ nσ[m0] ⊦ ∞.n = 0

Heuristic quantifier closing applied rule all left

And closed the goal!

Rule argument

pos: left 7 terms: m0

Additional information

Used simplifier rules: le-ls-simp: ⊦ m ≤ n → (n < m ↔ false); from specification nat Used terms: m0