| ⊦ r ≠ r0 → addobj(r, class, fis, addobj(r0, class0, fis0, st)) = addobj(r0, class0, fis0, addobj(r, class, fis, st)) |
⊦ r = r0, addobj(r, class, fis, addobj(r0, class0, fis0, st)) = addobj(r0, class0, fis0, addobj(r, class, fis, st))
[[CONCRETESIMPRULES : ()]]