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