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Proof step 6 from proof not-ls-leninv (previous step)

⌜n⌝ < # nσ, stutf(nσ) ⊦ ⌜nσ[n]⌝ = leninv(nσ), ⌜nσ[n]⌝ < leninv(nσ), leninv(nσ) < ⌜nσ[n]⌝

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

spec: nat-inf name: lele-refl seq: ⊦ ¬ n∞1 < n∞ → (n∞ < n∞1 ↔ n∞ ≠ n∞1) subst: [n∞1, n∞] → [⌜nσ[n]⌝ , leninv(nσ)] flags: <all paths>

Additional information

Used terms: ⌜nσ[n]⌝ , leninv(nσ)