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Proof step 7 from proof isarray-put-byte (previous step)

okbytearray(r, st), is_array(r0, st) ⊦ is_array(r0, st[r -- i ', byteval(by)])

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 1:
⊦ r ≠ r0 → (is_array(r0, st[r -- sk, val]) ↔ is_array(r0, st))
Proof step 6:
¬ r ≠ r0, okbytearray(r, st), is_array(r0, st) ⊦ is_array(r0, st[r -- i ', byteval(by)])

Rule argument

[crewrite-arg: isarray-put-01 , F , [val, sk, r, st, r0] → [byteval(by), i ', r, st, r0] ]

Additional information

[[CONCRETESIMPRULES : ()], [EXTRATERMS : (byteval(by), i ', r, st, r0)]]