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Proof step 7 from proof in-1dim-10 (conclusion)

⊦ r ∈ addarray(r, val, i, st) ↔ 0 < i ∨ r ∈ st

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 1:
⊦ i ≤ 0 → addarray(r, val, i, st) = st
Proof step 6:
0 < i ∨ r ∈ st ⊦ r ∈ addarray(r, val, i, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ ¬ i < j ↔ j ≤ i])]]