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Proof step 16 from proof okarray-copy (previous step)

st[r -- _length] = intval(i), 0 < i, 0 ≤ j, okreftype(refval(r), mkarraytype(byte_type), st), r -- _length ∈ st, is_arrayref(r, i, st), 0 ≤ i, j < i, r ∈ st, ∀ j0. ¬ j0 < 0 ∧ ¬ i ≤ j0 → is_bytevalue(st[r -- j0 ']) ⊦ r = jvmref, is_bytevalue(initial_value(byte_type))

User applied rule insert rewrite lemma

And obtained the following new goals

Rule argument

[speclemmaarg: ,initial_value(byte_type) = byteval(0b) ,[] → [] ,F ,valuefuns , ,init_val_byte ]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ is_bytevalue(byteval(by))])], [EXTRATERMS : ()]]