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Proof step 17 from proof isarray-okval (conclusion)

⊦ ¬ okval(st[r -- i '], st[r -- _type] .type .type) ∧ 0 ≤ i ∧ i < st[r -- _length] .intval → ¬ is_array(r, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 16:
is_array(r, st), i < st[r -- _length] .intval, 0 ≤ i, 0 < st[r -- _length] .intval ⊦ okval(st[r -- i '], st[r -- _type] .type .type)

Rule argument

[emptyarg]

Additional information

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