| ⊦ refval(rk .ref) = val, okarray(val, ty, i, st[rk, val0]) ↔ okarray(val, ty, i, st) |
rk = r -- sk ⊦ refval(r) = val, okarray(val, ty, i, st[rk, val0]) ↔ okarray(val, ty, i, st)
[[CONCRETESIMPRULES : ([CSIMPELIM : ⊦ r = rk .ref ∧ sk = rk .key ↔ rk = r -- sk])], [EXTRATERMS : (rk, r, sk)]]