Full Idea
Infinitesimals do not stand in a determinate order relation to zero: we cannot say an infinitesimal is either less than zero, identical to zero, or greater than zero. ….Infinitesimals are so close to zero as to be theoretically indiscriminable from it.
Gist of Idea
Infinitesimals do not stand in a determinate order relation to zero
Source
Ian Rumfitt (The Boundary Stones of Thought [2015], 7.4)
Book Reference
Rumfitt,Ian: 'The Boundary Stones of Thought' [OUP 2015], p.215