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Proof step 12 from proof putbar-byte (previous step)

j < i + n→i(# bytes), i ≤ j ⊦ (putByteArray(bytes, r, i, st)[r -- j ']) = byteval(bytes[i→n(j - i)]), bytes = []

Heuristic elimination applied rule insert elim lemma

And obtained the following new goals

Proof step 11:
j = i0 + i, j < i + n→i(# bytes), i ≤ j ⊦ (putByteArray(bytes, r, i, st)[r -- j ']) = byteval(bytes[i→n(i0)]), bytes = []

Rule argument

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

Additional information

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