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Proof step 13 from proof okarray-putba (previous step)

st[r0 -- _type] = typeval(mkarraytype(ty0)), st[r0 -- _length] = intval(i), j0 < i, ty0 ≤ ty, r0 -- _type ∈ st, r0 ∈ st, 0 ≤ i, r0 -- _length ∈ st, 0 ≤ j0, 0 < i, ∀ j. ¬ j < 0 ∧ ¬ i ≤ j → okval(st[r0 -- j '], ty), ∀ j. ¬ j < 0 ∧ ¬ i ≤ j → r0 -- j ' ∈ st ⊦ r = r0, r0 = jvmref, okval(st[r0 -- j0 '], ty)

Heuristic quantifier closing applied rule all left

And closed the goal!

Rule argument

[EXRARG : pos: left 11, [QUANTTERMLIST : (j0)]]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ i ≤ j → (¬ ¬ j < i ↔ false)], [CSIMPSEQ : ⊦ i < j → (¬ ¬ j ≤ i ↔ false)])], [EXTRATERMS : (j0)]]