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Proof step 14 from proof isobj-bytearray (previous step)

is_obj(r, st), okbytearray(r, st) ⊦

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 1:
⊦ is_arraytype(st[r -- _type] .type) → ¬ is_obj(r, st)
Proof step 13:
¬ is_arraytype(st[r -- _type] .type), is_obj(r, st), okbytearray(r, st) ⊦

Rule argument

[crewrite-arg: isobj-arraytype, F, [st, r] → [st, r]]

Additional information

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