| ∀ r0, st, sk, val. (update(r0, fis0, st)[r0 -- sk, val]) = update(r0, fis0, st[r0 -- sk, val]) ∨ sk ∈ fis0 ⊦ (update(r0, fis0, st)[r0 -- sk, val][r0 -- sk0, val0]) = (update(r0, fis0, st[r0 -- sk, val])[r0 -- sk0, val0]), sk = sk0, sk ∈ fis0 |
[[CONCRETESIMPRULES : ()], [EXTRATERMS : (r0, st, sk, val)]]