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Proof step 7 from proof getba-neq (previous step)

getbytearray(r, st1) = getbytearray(r1, st1), st1[r1 -- _length] .intval = st1[r -- _length] .intval, i < st1[r -- _length] .intval, 0 ≤ i, 0 < st1[r -- _length] .intval ⊦ st1[r -- i '] .byteval = st1[r1 -- i '] .byteval

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 1:
⊦ getbytearray(r, st) = getbytearray(r, 0, st[r -- _length] .intval, st)
Proof step 6:
getbytearray(r, 0, st1[r -- _length] .intval, st1) = getbytearray(r1, st1), st1[r1 -- _length] .intval = st1[r -- _length] .intval, i < st1[r -- _length] .intval, 0 ≤ i, 0 < st1[r -- _length] .intval ⊦ st1[r -- i '] .byteval = st1[r1 -- i '] .byteval

Rule argument

[crewrite-arg: getByteArray-all, F, [st, r] → [st1, r]]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (st1, r)]]