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Proof step 16 from proof validrefs-bytearray (conclusion)

⊦ validrefs(str, r ' + refs, mkarraytype(byte_type), st) ↔ refs = [] ∧ (r = jvmref ∨ okbytearray(r, st))

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 1:
⊦ r = jvmref → (validrefs(str, r ' + refs, ty, st) ↔ refs = [])
Proof step 15:
r ≠ jvmref ⊦ validrefs(str, r ' + refs, mkarraytype(byte_type), st) ↔ refs = [] ∧ (r = jvmref ∨ okbytearray(r, st))

Rule argument

[crewrite-arg: validrefs-null , F , [st, ty, refs, r, str] → [st, mkarraytype(byte_type), refs, r, str] ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (st, mkarraytype(byte_type), refs, r, str)]]