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Proof step 19 from proof okbytearray-put-byteval (previous step)

okbytearray(r, st), okbytearray(r, st[rkvs][r0 -- i ', byteval(by)]) ⊦ r0 -- _length ∈ rkvs, r0 -- i ' ∈ rkvs, okbytearray(r, st[rkvs])

User applied rule insert rewrite lemma

And obtained the following new goals

Proof step 3:
⊦ r ≠ rk .ref → (okbytearray(r, st[rk, val]) ↔ okbytearray(r, st))
Proof step 18:
¬ r ≠ (r0 -- i ') .ref, okbytearray(r, st), okbytearray(r, st[rkvs][r0 -- i ', byteval(by)]) ⊦ r0 -- _length ∈ rkvs, r0 -- i ' ∈ rkvs, okbytearray(r, st[rkvs])

Rule argument

[crewrite-arg: okbar-put , F , [val, rk, st, r] → [byteval(by), r0 -- i ', st[rkvs], r] ]

Additional information

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