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Proof step 12 from proof addclass-okarray (previous step)

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

Heuristic simplifier applied rule simplifier

And obtained the following new goals

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

Rule argument

[emptyarg]

Additional information

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