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Proof step 3 from proof lsleninv-3 (previous step)

# nσ = # nσ0, # nσ0 = ⌜m⌝ + ⌜1⌝ , n < nσ[m], stutf(nσ) ⊦ ⌜n⌝ < leninv(nσ)

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

spec: <toplevel> name: lsleninv-2 seq: ⊦ n < nσ[m] ∧ # nσ = ⌜m⌝ + ⌜1⌝ ∧ stutf(nσ) → (⌜n⌝ < leninv(nσ) ↔ true) subst: [m, nσ, n] → [m, nσ, n] flags: <all paths>

Additional information

Used terms: m, nσ, n