Full Idea
Number is an instance of measuring (distinguishing the more from the less, and calibrating data), ..and a figure for calculating (one counts with numbers), ..and it ought to be a figure of consistency (the compatibility of order and calculation).
Gist of Idea
Numbers are for measuring and for calculating (and the two must be consistent)
Source
Alain Badiou (Briefings on Existence [1998], 11)
Book Reference
Badiou,Alain: 'Briefings on Existence', ed/tr. Madarsz,Norman [SUNY 2006], p.126