 (P6) Modularity (for conditionally independent data)  For any \(e_{1},e_{2},h, k\in \bL\) and any \(P\in \bP,\) if \(P(e_{1}\mid \pm h \wedge e_{2} \wedge k)=P(e_{1}\mid \pm h \wedge k),\) then \(C_{P}(h, e_{1}\mid e_{2} \wedge k) = C_{P}(h, e_{1}\mid k).\) 