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Proof step 5 from proof isarray-okarray-01 (previous step)

st[r -- _type] .type = mkarraytype(ty0), is_typevalue(st[r -- _type]), r -- _type ∈ st, ty0 ≤ ty, r ∈ st, okarray(r, ty0, st) ⊦ r = jvmref, okarray(r, ty, st)

Heuristic elimination applied rule insert elim lemma

And obtained the following new goals

Proof step 4:
st[r -- _type] = typeval(ty1), ty1 = mkarraytype(ty0), is_typevalue(st[r -- _type]), r -- _type ∈ st, ty0 ≤ ty, r ∈ st, okarray(r, ty0, st) ⊦ r = jvmref, okarray(r, ty, st)

Rule argument

[speclemmaarg: ,is_typevalue(val) → (ty = val .type ↔ val = typeval(ty)) ,[val, ty] → [st[r -- _type], ty1] ,T ,javavalue , ,elim-10 ]

Additional information

[[CONCRETESIMPRULES : ([CSIMPELIM : ⊦ is_typevalue(val) → ( ty = val .type ↔ val = typeval(ty))])], [EXTRATERMS : (st[r -- _type], ty1)]]