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Proof step 25 from proof inv-inverts-leq (previous step)

∀ n0. ¬ ⌜n0⌝ < # nσ ∨ nσ[n0] ≠ nσ[n], leninv(nσ) = ∞, ∞.n < n, stutf(nσ), ⌜n⌝ < # nσ ⊦

Heuristic quantifier closing applied rule all left

And closed the goal!

Rule argument

pos: left 1 terms: n

Additional information

Used terms: n