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Proof step 6 from proof putByteArray-append (previous step)

0 ≤ j, (~1) ≤ n→i(# bytes1) + j, ∀ j0, bytes0, r0, st0. ¬ j0 + n→i(# bytes1) < 0 ∧ ¬ j0 < 0 → putByteArray(bytes0, r0, j0 + n→i(# bytes1), putByteArray(bytes1, r0, j0, st0)) = putByteArray(bytes1 + bytes0, r0, j0, st0) ⊦ (putByteArray(bytes, r, (1 + n→i(# bytes1)) + j, putByteArray(bytes1, r, j + 1, st))[r -- j ', byteval(by)]) = (putByteArray(bytes1 + bytes, r, j + 1, st)[r -- j ', byteval(by)])

User applied rule all left

And closed the goal!

Rule argument

[EXRARG : pos: left 3, [extquanttermlist: (j + 1, bytes, r, st) abort:F , discard:F , computed:F ]]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ i + j = j + i], [CSIMPSEQ : ⊦ i + ((* j)) < ((* j0)) ↔ i < j0 - j], [CSIMPSEQ : ⊦ i ≤ j → (¬ ¬ j < i ↔ false)], [CSIMPSEQ : ⊦ i + j + i0 = (i + j) + i0], [CSIMPSEQ : ⊦ 0 ≤ i ∧ 0 ≤ j → ¬ i + j < 0])], [EXTRATERMS : (j + 1, bytes, r, st)]]