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Proof step 17 from proof okarray-copy (previous step)

st[r1 -- _type] = typeval(ty1), ty1 = mkarraytype(ty0), st[r1 -- _length] = intval(i), 0 ≤ i, 0 < i, r1 -- _length ∈ st, is_arrayref(r1, i, st), r1 ∈ st, r1 -- _type ∈ st, is_typevalue(st[r1 -- _type]), ty0 ≤ ty, j < i, 0 ≤ j, ∀ j. ¬ j < 0 ∧ ¬ i ≤ j → okval(st[r1 -- j '], ty) ⊦ r1 = r0, r1 = jvmref, okval(st[r1 -- j '], ty)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 16:
st[r1 -- _length] = intval(i), st[r1 -- _type] = typeval(mkarraytype(ty0)), 0 ≤ j, j < i, ty0 ≤ ty, r1 -- _type ∈ st, r1 ∈ st, is_arrayref(r1, i, st), r1 -- _length ∈ st, 0 < i, 0 ≤ i, ∀ j. ¬ j < 0 ∧ ¬ i ≤ j → okval(st[r1 -- j '], ty) ⊦ r1 = jvmref, r1 = r0, okval(st[r1 -- j '], ty)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ is_typevalue(typeval(ty))])]]