| ⊦ ri[kx0 + kx1] = ri[kx0] + ri[kx1] |
∀ ri, kx1. ri[kx + kx1] = ri[kx] + ri[kx1] ⊦ ri[(key + kx) + kx1] = ri[key + kx] + ri[kx1]
Used simplifier rules: index-lookup-base: ⊦ ri[[]] = [];%key-list freely generated by [], +;;% ⊦ [] + kx = kx; (s)%a: ⊦ (kx + kx0) + kx1 = kx + kx0 + kx1; from specification list[key-list-set]% ⊦ [] + ax = ax; (s)%a: ⊦ (ax + ax0) + ax1 = ax + ax0 + ax1; from specification list[address-list-set]