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Proof step 7 from proof at=get (previous step)

0 < i0, 0 ≤ i0, ∀ r, st, i, j0. i→n(j0) < i→n(i0 + 1) → (true → (0 ≤ i ∧ i < j0 → st[r -- i '] = (getarray(r, 0, j0, st)[i→n(i)]))) ⊦ st[r -- i0 '] = (getarray(r, 0, i0, st) + st[r -- i0 '] ')[i→n(i0)]

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 5:
⊦ n = # vals → (vals + val ')[n] = val
Proof step 6:
⊦ 0 < j → # getarray(r, i, j, st) = i→n(j)

Rule argument

[speclemmaarg: ,n = # vals → (vals + val ')[n] = val ,[n, val, vals] → [i→n(i0), st[r -- i0 '], getarray(r, 0, i0, st)] ,F ,list-del ,javavalues ,get-last ]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ i→n(i) = i→n(j) ↔ abs(i) = abs(j)])], [EXTRATERMS : (i→n(i0), st[r -- i0 '], getarray(r, 0, i0, st))]]