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Proof step 6 from proof validref-bytearray-level-01 (previous step)

validref(str0, r, mkarraytype(byte_type), st) ⊦ validref(str, r, mkarraytype(byte_type), st)

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 1:
⊦ validref(str, r, mkarraytype(byte_type), st) ↔ okbytearray(r, st) ∨ r = jvmref
Proof step 5:
okbytearray(r, st) ∨ r = jvmref ⊦ validref(str, r, mkarraytype(byte_type), st)

Rule argument

[crewrite-arg: okbytearray-validref, F, [st, r, str] → [st, r, str0]]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (st, r, str0)]]