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Proof step 7 from proof isarray-abstract (previous step)

st[r -- _length] = intval(i), st[r -- _type] = typeval(mkarraytype(abstract_type)), 0 < i, is_integervalue(st[r -- _length]), r -- _length ∈ st, r -- _type ∈ st, r ∈ st, is_arrayref(r, i, st), ∀ j. j < 0 ∨ i ≤ j ⊦ r = jvmref, i = 0

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 6:
st[r -- _type] = typeval(mkarraytype(abstract_type)), st[r -- _length] = intval(i), 0 < i, is_arrayref(r, i, st), r ∈ st, r -- _type ∈ st, r -- _length ∈ st, ∀ j. j < 0 ∨ i ≤ j ⊦ i = 0, r = jvmref

Rule argument

[emptyarg]

Additional information

[[CONCRETESIMPRULES : ([CSIMPSEQ : ⊦ is_integervalue(intval(i))], [CSIMPFORWARD : ⊦ i < j ∧ 0 ≤ i → 0 < j])]]