| ⊦ classof(r, class1, st) → okclass(refval(r), class1, st) |
classof(r, class1, st), r ∈ st ⊦ r = jvmref, okclass(refval(r), class1, st)
[[CONCRETESIMPRULES : ([CSIMPFORWARD : ⊦ classof(r, class1, st) → r ∈ st], [CSIMPFORWARD : ⊦ classof(r, class1, st) → r ≠ jvmref])]]