| ∀ r, class1, sk, val, st. addobj(r, class1, fis0 + (sk × val) ', st) = (addobj(r, class1, fis0, st)[r -- sk, val]) ∨ sk ∈ fis0 ⊦ (addobj(r, class1, fis0 + (sk × val) ', st)[r -- sk0, val0]) = (addobj(r, class1, fis0, st)[r -- sk, val][r -- sk0, val0]), sk = sk0, sk ∈ fis0 |
[[CONCRETESIMPRULES : ()], [EXTRATERMS : (r, class1, sk, val, st)]]