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

okbytearray(r, st), is_obj(r, st) ⊦ is_arraytype(st[r -- _type] .type)

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 2:
⊦ okbytearray(r, st) ↔ okarray(r, byte_type, st)
Proof step 11:
okarray(r, byte_type, st), is_obj(r, st) ⊦ is_arraytype(st[r -- _type] .type)

Rule argument

[speclemmaarg: ,okbytearray(r, st) ↔ okarray(r, byte_type, st) ,[st, r] → [st, r] ,F ,okfuns , ,okbytearray-01 ]

Additional information

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