| ⊦ ¬ sk ∈ fis → addobj(r, class1, fis + (sk × val) ' + fis0, st) = (addobj(r, class1, fis + fis0, st)[r -- sk, val]) |
⊦ addobj(r, class1, fis + (sk × val) ' + fis0, st) = (addobj(r, class1, fis + fis0, st)[r -- sk, val]), sk ∈ fis
[[CONCRETESIMPRULES : ()]]