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Proof step 9 from proof get-add (previous step)

⊦ getbytearray(r, 0, (addarray(r, byte_type, vals, st)[r -- _length]) .intval, addarray(r, byte_type, vals, st)) = bytevalues(vals)

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 2:
⊦ (addarray(r, ty, vals, st)[r -- _length]) = intval(n→i(# vals))
Proof step 8:
⊦ getbytearray(r, 0, intval(n→i(# vals)) .intval, addarray(r, byte_type, vals, st)) = bytevalues(vals)

Rule argument

[crewrite-arg: length-1init-01 , F , [st, vals, ty, r] → [st, vals, byte_type, r] ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (st, vals, byte_type, r)]]