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Proof step 19 from proof subset-len-01 (previous step)

st[r -- _type] .type = mkarraytype(ty), st[r -- _length] = intval(i), 0 ≤ i, r ∈ st, is_typevalue(st[r -- _type]), r -- _type ∈ st, exactarray(r, ty, st0), r ∈ st0, st ⊆ st0, is_arrayref(r, i, st), r -- _length ∈ st ⊦ r = jvmref, st0[r -- _length] .intval = i

Heuristic elimination applied rule insert elim lemma

And obtained the following new goals

Rule argument

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

Additional information

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