| ∀ sk, r, class, st, r0. sk = _type ∨ (addobj(r, class, fis0, st)[r0 -- sk]) = st[r0 -- sk] ∨ sk ∈ fis0 ⊦ sk = sk0, sk = _type, (addobj(r, class, fis0, st)[r0 -- sk]) = st[r0 -- sk], sk ∈ fis0 |
[[CONCRETESIMPRULES : ()], [EXTRATERMS : (sk, r, class, st, r0)]]