By definition, a number that's infinitesimal is close to, but greater than, this
In common speech, an infinitesimal object is an object that is smaller 
than any feasible measurement, but not zero in sizeor, so small that it cannot 
be .... A real closed field has all the first-order properties of the real number 
system,... [DOC] [TLE] infinity - Smallest next real number after an integer - Mathematics ... [PAR] Feb 19, 2014 ...