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Proof step 12 from proof add-okarray-05 (previous step)

st[r -- _type] .type = mkarraytype(ty0), st[r -- _length] = intval(i), j < i, r -- _length ∈ st, is_arrayref(r, i, st), 0 ≤ j, 0 < i, r ∈ st, 0 ≤ i, r -- _type ∈ st, is_typevalue(st[r -- _type]), is_arraytype(st[r -- _type] .type), ty0 ≤ ty, ∀ j. ¬ j < 0 ∧ ¬ i ≤ j → oktype(st[r -- j '], ty, st) ⊦ r = r0, r = jvmref, oktype(st[r -- j '], ty, st)

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 11:
st[r -- _length] = intval(i), st[r -- _type] .type = mkarraytype(ty0), ty0 ≤ ty, is_typevalue(st[r -- _type]), r -- _type ∈ st, 0 ≤ i, r ∈ st, 0 < i, 0 ≤ j, is_arrayref(r, i, st), r -- _length ∈ st, j < i, ∀ j. ¬ j < 0 ∧ ¬ i ≤ j → oktype(st[r -- j '], ty, st) ⊦ r = jvmref, r = r0, oktype(st[r -- j '], ty, st)

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ is_arraytype(mkarraytype(ty))])]]