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Proof step 9 from proof addarray-refs (previous step)

r0 ≠ r ⊦ r0 ∈ (st[r -- _type, typeval(mkarraytype(ty))][r -- _length, intval(i)]) ↔ r0 = r ∨ r0 ∈ st .refs

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 8:
⊦ r0 = r, r0 ∈ st ↔ r0 ∈ st .refs

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ r ∈ st[r0 -- sk, val] ↔ r = r0 ∨ r ∈ st])]]