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Proof step 8 from proof okarray-copy (previous step)

st[r1 -- _length] = intval(i), st[r1 -- _type] = typeval(mkarraytype(ty0)), 0 ≤ j, j < i, r1 ∈ st, is_arrayref(r1, i, st), r1 -- _length ∈ st, ty0 ≤ ty, r1 -- _type ∈ st, 0 < i, 0 ≤ i, ∀ j0. ¬ j0 < 0 ∧ ¬ i ≤ j0 → okval(st[r1 -- j0 '], ty) ⊦ r1 = jvmref, r1 = r0, okval(st[r1 -- j '], ty)

Heuristic quantifier closing applied rule all left

And closed the goal!

Rule argument

[EXRARG : pos: left 12, [QUANTTERMLIST : (j)]]

Additional information

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