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Proof step 30 from proof getarray-subset-02 (conclusion)

⊦ st ⊆ st0 ∧ is_array(r, st) ∧ i + j ≤ st[r -- _length] .intval ∧ 0 ≤ i → getarray(r, i, j, st) = getarray(r, i, j, st0)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 29:
st ⊆ st0, is_array(r, st), i + j ≤ st[r -- _length] .intval, 0 ≤ i ⊦ getarray(r, i, j, st) = getarray(r, i, j, st0)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPFORWARD : ⊦ i ≤ j ∧ 0 ≤ i → 0 ≤ j])]]