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Proof step 12 from proof validrefs-bytearray (previous step)

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

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 10:
⊦ validrefs(str, r ', ty, st) ↔ r = jvmref ∨ r ≠ jvmref ∧ is_valid_ref(str, r, st) ∧ st[r -- _type] .type ≤ ty
Proof step 11:
okbytearray(r, st) ⊦ r = jvmref, r = jvmref ∨ r ≠ jvmref ∧ is_valid_ref(str, r, st) ∧ st[r -- _type] .type ≤ mkarraytype(byte_type)

Rule argument

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

Additional information

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