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Proof step 2 from proof leninv-invlast-2 (previous step)

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

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

spec: inst: name: leninv-invlast seq: ⊦ # nσ = ⌜m⌝ + ⌜1⌝ ∧ leninv(nσ) = ⌜n⌝ + ⌜1⌝ ∧ stutf(nσ) → nσ[m] = n subst: [n, m, nσ] → [n, m, nσ] flags: rewrite, current

Additional information

Used terms: n, m, nσ