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Proof step 8 from proof getbar-restn-01 (previous step)

st[r -- _length] .intval = i + n→i(n), 0 ≤ i ⊦ restn(n, getbytearray(r, 0, n→i(n), st)) = []

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 6:
⊦ # bytes = n → restn(n, bytes) = []
Proof step 7:
⊦ # getbytearray(r, i, n→i(m), st) = m

Rule argument

[speclemmaarg: ,# bytes = n → restn(n, bytes) = [] ,[bytes, n] → [getbytearray(r, 0, n→i(n), st), n] ,F ,list-del ,bytelist ,rest-empty ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (getbytearray(r, 0, n→i(n), st), n)]]