| ⊦ r = r0, (addobj(r0, class, fis, st)[r0 -- sk]) = (addobj(r0, class, fis, st -- r)[r0 -- sk]) |
⊦ sk ∈ fis → (addobj(r, class, fis, st)[r -- sk]) = fis[sk]
¬ sk ∈ fis ⊦ r = r0, (addobj(r0, class, fis, st)[r0 -- sk]) = (addobj(r0, class, fis, st -- r)[r0 -- sk])
⊦ sk ∈ fis → (addobj(r, class, fis, st)[r -- sk]) = fis[sk]
[[CONCRETESIMPRULES : ()], [EXTRATERMS : (sk, st, fis, class, r0)]]