User blog comment:Boboris02/Measuring the strength of ABHAN part 1/@comment-73.235.194.108-20170328151802/@comment-73.235.194.108-20170329003806

Or like {↑*} in my extended arrow notation. is $$\varepsilon_0$$, but is $$\varepsilon_1$$. On a sidenote, that sort of idea was inspired by the R funtion, which was by the same creator as SAN. The asterisk is also a symbol in the R funtion, but used for a different purpose, but I took it from there.