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Proof step 9 from proof exactarray-in (previous step)

st[r -- _type] = typeval(ty0), ty0 = mkarraytype(ty), i < st[r -- _length] .intval, 0 ≤ i, 0 < st[r -- _length] .intval, r -- _type ∈ st, is_typevalue(st[r -- _type]), r -- _length ∈ st, is_arrayref(r, st[r -- _length] .intval, st), r ∈ st ⊦ r = jvmref, r -- i ' ∈ st

Heuristic simplifier applied rule simplifier

And obtained the following new goals

Proof step 8:
st[r -- _type] = typeval(mkarraytype(ty)), r ∈ st, is_arrayref(r, st[r -- _length] .intval, st), r -- _length ∈ st, r -- _type ∈ st, 0 < st[r -- _length] .intval, 0 ≤ i, i < st[r -- _length] .intval ⊦ r = jvmref, r -- i ' ∈ st

Rule argument

[emptyarg]

Additional information

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