Full Idea
Apparently - and this is quite unlike old Greek times - there is no single unified definition of number.
Gist of Idea
There is no single unified definition of number
Source
Alain Badiou (Briefings on Existence [1998], 11)
Book Reference
Badiou,Alain: 'Briefings on Existence', ed/tr. Madarsz,Norman [SUNY 2006], p.126