Immanuel Litzroth <immanuel.litzr...@gmail.com> writes: > Location vectors and Difference vectors are not kept separate as far > as I can tell. > Affine space keeps points separate from differences of points which > are vectors. > So does common parlance for places/distances and time points/durations. Paris > is not a distance and a week is not a time point. > Immanuel
Algebra exists. Numbers obey laws regardless of what meaning you assign to them. -- David Kastrup
