| ⊦ st[rkvs + rkvs0] = (st[rkvs][rkvs0]) |
⊦ st[[]] = st
∀ st, rkvs0. st[rkvs1 + rkvs0] = (st[rkvs1][rkvs0]) ⊦ st[(rkv + rkvs1) + rkvs0] = (st[rkv + rkvs1][rkvs0])
[[CONCRETESIMPRULES : ([CSIMPGEN : refkeyvalues generated by [], +;], [CSIMPSEQ : ⊦ [] + rkvs = rkvs], [CSIMPSEQ : ⊦ (rkvs + rkvs0) + rkvs1 = rkvs + rkvs0 + rkvs1])]]