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Proof step 5 from proof getintarray-in-01 (conclusion)

⊦ 0 ≤ i ∧ i < st[r -- _length] .intval → (¬ st[r -- i '] .intval ∈ getintarray(r, st) ↔ false)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 4:
i < st[r -- _length] .intval, 0 ≤ i, 0 < st[r -- _length] .intval ⊦ st[r -- i '] .intval ∈ getintarray(r, st)

Rule argument

[emptyarg]

Additional information

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