| ⊦ r ≠ r0 → (okarray(refval(r), short_type, i, addobj(r0, class1, fis, st)) ↔ okarray(refval(r), short_type, i, st)) |
⊦ r = r0, okarray(refval(r), short_type, i, addobj(r0, class1, fis, st)) ↔ okarray(refval(r), short_type, i, st)
[[CONCRETESIMPRULES : ()]]