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Proof step 8 from proof getbar-3rec (previous step)

0 < i0 + 3, 0 ≤ i0 ⊦ bytevalues(st[r -- i '] ' + getarray(r, i + 1, i0 + 3 - 1, st)) = st[r -- i '] .byteval ' + st[r -- (i + 1) '] .byteval ' + st[r -- (i + 2) '] .byteval ' + bytevalues(getarray(r, i + 3, i0, st))

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 7:
0 ≤ i0 ⊦ bytevalues(getarray(r, i + 1, 2 + i0, st)) = st[r -- (i + 1) '] .byteval ' + st[r -- (i + 2) '] .byteval ' + bytevalues(getarray(r, i + 3, i0, st))

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : i0 ≠ 0, i0 < i ⊦ ((* i)) ≤ j → ((* i0)) < j], [CSIMPSEQ : ⊦ ((* j)) < i0 + ((* j0)) ↔ j - j0 < i0], [CSIMPSEQ : ⊦ (bytes + bytes0) + bytes1 = bytes + bytes0 + bytes1], [CSIMPSEQ : ⊦ bytes + bytes0 = bytes + bytes1 ↔ bytes0 = bytes1], [CSIMPSEQ : ⊦ (vals + vals0) + vals1 = vals + vals0 + vals1], [CSIMPSEQ : ⊦ by + bytes = by ' + bytes], [CSIMPSEQ : ⊦ bytevalues(val ' + vals) = val .byteval + bytevalues(vals)], [CSIMPSEQ : ⊦ i + j = j + i], [CSIMPSEQ : ⊦ i + j + i0 = (i + j) + i0], [CSIMPSEQ : ⊦ ((* i)) + i0 - ((* j)) = (i - j) + i0])]]