“As far as I know, only a small minority of mathematicians, even of those with Platonist views, accept the idea that there may be mathematical facts which are true but unknowable.”

Arithmetic starts with the integers and proceeds by successively enlarging the number system by rational and negative numbers, irrational numbers, etc…

A campus which puts particular emphasis on the education of undergraduates within the framework of a College system.

The Committee supports the idea that there should be, within the University of California

I think, in coming centuries it will be considered a great oddity in the history of mathematics that the first exact theory of infinitesimals was developed 300 years after the invention of the differential calculus.

But the next quite logical step after the reals, namely the introduction of infinitesimals, has simply been omitted.

I’ve made it a policy to move every five years, either physically or in my research.