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Proof step 16 from proof getbar-restn-01 (previous step)

n→i(n) ≤ st[r -- _length] .intval ⊦ restn(n, getbytearray(r, st)) = getbytearray(r, n→i(n), st[r -- _length] .intval - n→i(n), st)

Heuristic elimination applied rule insert elim lemma

And obtained the following new goals

Proof step 15:
st[r -- _length] .intval = i + n→i(n), n→i(n) ≤ st[r -- _length] .intval ⊦ restn(n, getbytearray(r, st)) = getbytearray(r, n→i(n), i, st)

Rule argument

[speclemmaarg: ,i0 = i - j ↔ i = i0 + j ,[i, j, i0] → [st[r -- _length] .intval, n→i(n), i] ,T ,int-abs , ,elim-sub ]

Additional information

[[CONCRETESIMPRULES : ([CSIMPELIM : ⊦ i0 = i - j ↔ i = i0 + j])], [EXTRATERMS : (st[r -- _length] .intval, n→i(n), i)]]