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Proof step 12 from proof getintarray-at (previous step)

0 < j, n < i→n(j) ⊦ (getarray(r, i, j, st)[n]) .intval = st[r -- (i + n→i(n)) '] .intval, j = 0

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 7:
⊦ n→i(n) < j → (getarray(r, i, j, st)[n]) = st[r -- (i + n→i(n)) ']
Proof step 11:
¬ n→i(n) < j, 0 < j, n < i→n(j) ⊦ (getarray(r, i, j, st)[n]) .intval = st[r -- (i + n→i(n)) '] .intval, j = 0

Rule argument

[crewrite-arg: get-get, F, [n, st, j, i, r] → [n, st, j, i, r]]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ i + j = j + i])], [EXTRATERMS : (n, st, j, i, r)]]