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Proof step 4 from proof putBar-unrec (previous step)

is_bytevalue(val) ⊦ (putByteArray(bytes, r, i0 + 1, st)[r -- i0 ', val]) = putByteArray(val .byteval ' + bytes, r, i0, st)

Heuristic elimination applied rule insert elim lemma

And obtained the following new goals

Proof step 3:
val = byteval(by), is_bytevalue(val) ⊦ (putByteArray(bytes, r, i0 + 1, st)[r -- i0 ', val]) = putByteArray(by ' + bytes, r, i0, st)

Rule argument

[speclemmaarg: ,is_bytevalue(val) → (by = val .byteval ↔ val = byteval(by)) ,[val, by] → [val, by] ,T ,javavalue , ,elim-03 ]

Additional information

[[CONCRETESIMPRULES : ([CSIMPELIM : ⊦ is_bytevalue(val) → ( by = val .byteval ↔ val = byteval(by))])], [EXTRATERMS : (val, by)]]