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Proof step 10 from proof getbar-put (previous step)

is_indexkey(sk), i + j ≤ sk .index ∨ sk .index < i ⊦ getbytearray(r, i, j, st[r -- sk, val]) = getbytearray(r, i, j, st)

Heuristic elimination applied rule insert elim lemma

And obtained the following new goals

Proof step 9:
sk = i0 ', is_indexkey(sk), i + j ≤ i0 ∨ i0 < i ⊦ getbytearray(r, i, j, st[r -- sk, val]) = getbytearray(r, i, j, st)

Rule argument

[speclemmaarg: ,is_indexkey(sk) → (i = sk .index ↔ sk = i ') ,[sk, i] → [sk, i0] ,T ,storekey , ,elim-04 ]

Additional information

[[CONCRETESIMPRULES : ([CSIMPELIM : ⊦ is_indexkey(sk) → (i = sk .index ↔ sk = i ')])], [EXTRATERMS : (sk, i0)]]