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Proof step 25 from proof get-add-02 (previous step)

0 ≤ i + i0, getarray(r, i, i0, addarray(r, vals, 0, st[r -- _type, typeval(mkarraytype(ty))][r -- _length, intval(n→i(# vals))])) = sublist(i→n(i), i→n(i0), vals), 0 ≤ i + i0, 0 < i0, i→n(i + i0) < # vals, 0 ≤ i, # vals ≤ i→n(i) + i→n(i0), ∀ ty, st, r, vals, i, j0. i→n(j0) < i→n(i0 + 1) → ( i + j0 ≤ n→i(# vals) ∧ 0 ≤ i ∧ 0 ≤ j0 → getarray(r, i, j0, addarray(r, vals, 0, st[r -- _type, typeval(mkarraytype(ty))][r -- _length, intval(n→i(# vals))])) = sublist(i→n(i), i→n(j0), vals)) ⊦ sublist(i→n(i), i→n(i0), vals) + vals[i→n(i + i0)] ' = sublist(i→n(i), i→n(i0) + 1, vals), (~1) = i0, vals = []

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

[speclemmaarg: 0 ≤ i, 0 ≤ j ,i→n(i + j) = i→n(i) + i→n(j) ,[j, i] → [i0, i] ,F ,intnat , ,add-01 ]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ m ≤ n → (n < m ↔ false)], [CSIMPSEQ : ⊦ m + n = n + m], [CSIMPSEQ : ⊦ ¬ i ≤ j ↔ j < i], [CSIMPSEQ : ⊦ i ≤ j → (¬ ¬ j < i ↔ false)], [CSIMPSEQ : ⊦ i < j → ¬ j < i])], [EXTRATERMS : (i0, i)]]