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Proof step 20 from proof okbytearray-put-byteval (previous step)

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

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 2:
⊦ okbytearray(r, st) → (¬ okbytearray(r, st[r0 -- i ', byteval(by)]) ↔ false)
Proof step 19:
okbytearray(r, st), okbytearray(r, st[rkvs][r0 -- i ', byteval(by)]) ⊦ r0 -- _length ∈ rkvs, r0 -- i ' ∈ rkvs, okbytearray(r, st[rkvs])

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ()]]