Comment by IAFF-User-276 (Imported-IAFF-User-276) on Infinite ethics comparisons · 2017-11-28T16:37:04.000Z · LW · GW

Given any such action a, call (k,k′) the signature of aa if k and −k are the lim sup and lim inf of all utility changes caused by a.

I assume you mean that $k^{\prime }$ is the $liminf$?