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Proof step 182 from proof infinite-append-prefixnextli (previous step)

(σ from ii(n0)) to # nextli0(lf(n0)) = ⌜nextli0(lf(n0))⌝ , ii(0) = 0, lf(0) = [], # lf(n0) = ii(n0), n3 < # nextli0(lf(n0)), ∀ n. ii(n + 1) = ii(n) + # nextli0(lf(n)) ∧ ¬ # σ < ⌜ii(n + 1)⌝ ∧ (σ from ii(n)) to # nextli0(lf(n)) = ⌜nextli0(lf(n))⌝ , ∀ m, n. m ≤ n → ii(m) ≤ ii(n), ∀ n. lf(n + 1) = nextli(lf(n)), ∀ x. nextli(x) = x + nextli0(x), (finp(σ) ⊃ # σ = ⌜ii(n)⌝ ∧ (∀ m. n ≤ m → nextli0(lf(m)) = [] ∧ ii(m) = ii(n));∀ n. ∃ m. ii(m) ≤ n ∧ n < ii(m + 1)), ∀ n2. n2 < ii(n0) → lf(n0)[n2] = σ[n2] ⊦ nextli0(lf(n0)) = [], ii(n0) + # nextli0(lf(n0)) = 0, nextli0(lf(n0))[n3] = σ[n3 + ii(n0)], # σ < ⌜ii(n0)⌝ + ⌜# nextli0(lf(n0))⌝

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

spec: stream inst: name: extensionality seq: ⊦ σ0 = σ1 ↔ # σ0 = # σ1 ∧ (∀ n. ⌜n⌝ < # σ0 → σ0[n] = σ1[n]) subst: [σ1, σ0] → [⌜nextli0(lf(n0))⌝ , (σ from ii(n0)) to # nextli0(lf(n0))] flags: rewrite

Additional information

Used terms: ⌜nextli0(lf(n0))⌝ , (σ from ii(n0)) to # nextli0(lf(n0))