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Proof step 37 from proof getarray-put=set (previous step)

i0 < i + j, i ≤ i0, 0 < j ⊦ getarray(r, i, j, st[r -- i0 ', val]) = (getarray(r, i, j, st)[i→n(i0 - i), val])

Heuristic elimination applied rule insert elim lemma

And obtained the following new goals

Proof step 36:
i0 = i1 + i, i0 < i + j, i ≤ i0, 0 < j ⊦ getarray(r, i, j, st[r -- i0 ', val]) = (getarray(r, i, j, st)[i→n(i1), val])

Rule argument

[speclemmaarg: ,i0 = i - j ↔ i = i0 + j ,[i, j, i0] → [i0, i, i1] ,T ,int-abs , ,elim-sub ]

Additional information

[[CONCRETESIMPRULES : ([CSIMPELIM : ⊦ i0 = i - j ↔ i = i0 + j])], [EXTRATERMS : (i0, i, i1)]]