> I know what it means. FYI, here is the definition given > by "A Dictionary of Philosophy" by Antony Flew: > > Intuitionism: A system propounded by L.E.J. Brouwer, > identifying truth with being known to be true, that is, > proven. The main theses of intuitionism are: that a > mathematical entity exists only if a constructive existence > proof can be given; and that a (mathematical) statement > is true only if there is a proof of it, and false only if a > proof of its denial can be given. Brouwer's idealist > inclinations led him to describe mathematics as > investigation of the (ideal) mathematician's "mental > constructions".
Where in there do you find "infinity is not a number"?