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Proof step 8 from proof exactarray-copy (previous step)

st[r1 -- _type] .type = mkarraytype(ty), st[r1 -- _length] = intval(i), 0 ≤ i, r1 ∈ st, is_arrayref(r1, i, st), r1 -- _length ∈ st, is_typevalue(st[r1 -- _type]), r1 -- _type ∈ st ⊦ r1 = jvmref, r1 = r0, exactreftype(refval(r1), mkarraytype(ty), st)

Heuristic elimination applied rule insert elim lemma

And obtained the following new goals

Proof step 7:
st[r1 -- _type] = typeval(ty0), ty0 = mkarraytype(ty), st[r1 -- _length] = intval(i), 0 ≤ i, r1 ∈ st, is_arrayref(r1, i, st), r1 -- _length ∈ st, is_typevalue(st[r1 -- _type]), r1 -- _type ∈ st ⊦ r1 = jvmref, r1 = r0, exactreftype(refval(r1), mkarraytype(ty), st)

Rule argument

[speclemmaarg: ,is_typevalue(val) → (ty = val .type ↔ val = typeval(ty)) ,[val, ty] → [st[r1 -- _type], ty0] ,T ,javavalue , ,elim-10 ]

Additional information

[[CONCRETESIMPRULES : ([CSIMPELIM : ⊦ is_typevalue(val) → ( ty = val .type ↔ val = typeval(ty))])], [EXTRATERMS : (st[r1 -- _type], ty0)]]