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Proof step 10 from proof comp-copy (previous step)

i + j ≤ j0, 0 ≤ i, 0 ≤ j ⊦ getarray(r0, i, j, arraycopy(r0, 0, r, 0, j0, st)) = getarray(r, i, j, arraycopy(r0, 0, r, 0, j0, st))

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 2:
⊦ getarray(r, i, j, st) = getarray(r0, i0, j, st0) ↔ (∀ j0. 0 ≤ j0 ∧ j0 < j → st[r -- (i + j0) '] = st0[r0 -- (i0 + j0) '])
Proof step 9:
i + j ≤ j0, 0 ≤ i, 0 ≤ j ⊦ ∀ j1. 0 ≤ j1 ∧ j1 < j → (arraycopy(r0, 0, r, 0, j0, st)[r0 -- (i + j1) ']) = (arraycopy(r0, 0, r, 0, j0, st)[r -- (i + j1) '])

Rule argument

[crewrite-arg: get-alleq , F , [st0, i0, r0, st, j, i, r] → [arraycopy(r0, 0, r, 0, j0, st), i, r, arraycopy(r0, 0, r, 0, j0, st), j, i, r0] ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (arraycopy(r0, 0, r, 0, j0, st), i, r, arraycopy(r0, 0, r, 0, j0, st), j, i, r0)]]