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Proof step 4 from proof validref-bytearray-level-01 (previous step)

okbytearray(r, st) ⊦ r = jvmref, validref(str, r, mkarraytype(byte_type), st)

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 3:
⊦ validref(str, r, mkarraytype(byte_type), st) ↔ okbytearray(r, st) ∨ r = jvmref

Rule argument

[crewrite-arg: okbytearray-validref, F, [st, r, str] → [st, r, str]]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (st, r, str)]]