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Proof step 4 from proof putByteArray-put-switch-01 (previous step)

by ' + bytes ≠ [], 0 ≤ j ⊦ putByteArray(bytes, r, j + 1, st[r -- j ', byteval(by)]) = (putByteArray((by ' + bytes) .rest, r, j + 1, st)[r -- j ', byteval((by ' + bytes) .first)])

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 3:
0 ≤ j ⊦ putByteArray(bytes, r, j + 1, st[r -- j ', byteval(by)]) = (putByteArray(bytes, r, j + 1, st)[r -- j ', byteval(by)])

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ by ' + bytes ≠ []], [CSIMPSEQ : ⊦ (by ' + bytes) .first = by], [CSIMPSEQ : ⊦ (bytes + bytes0) + bytes1 = bytes + bytes0 + bytes1], [CSIMPSEQ : ⊦ (by ' + bytes) .rest = bytes])]]