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Proof step 27 from proof inv-get-lslen (previous step)

∀ n0. ∃ n1. n0 < n1 ∧ ¬ m < n1 ∧ nσ[n1] = n, # nσ = ⌜m⌝ + ⌜1⌝ , n ≤ nσ[m], stutf(nσ), m < ∞.n ⊦ ∞.n = 0

User applied rule all left

And closed the goal!

Rule argument

pos: left 1 terms: m abort: F discard: T computed: F

Additional information

Used terms: m