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Proof step 76 from proof inv-inverts-leq (previous step)

# nσ = ⌜m⌝ + ⌜1⌝ , nσ[n1] = nσ[n], n1 < m, stutf(nσ), n1 < n, nσ[n] ≤ nσ[m], n1 ≤ m, n ≤ m, ∀ m0. ¬ m < m0 ∧ nσ[m0] = nσ[n] → ¬ n1 < m0 ⊦

Heuristic quantifier closing applied rule all left

And closed the goal!

Rule argument

pos: left 9 terms: n

Additional information

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