, jeffrey E. <[email protected]>=/span> wrote: yes. similarity is probablity. . . =div class="gmail_extra"> On Tue, Dec 27, 2=16 at 2:20 PM, Misha Gromfl Ca wrote: no additivity unless you b=ing forth probability On Tue, Dec 27, 2016 at 1:09 PM, jeffrey E. <[email protected] <mailto:jeevacatio