Full Idea
It is with the real numbers that the restrictions imposed by predicativity begin to make a real difference.
Gist of Idea
The predicativity restriction makes a difference with the real numbers
Source
David Bostock (Philosophy of Mathematics [2009], 8.3)
Book Reference
Bostock,David: 'Philosophy of Mathematics: An Introduction' [Wiley-Blackwell 2009], p.244
Related Idea
Idea 18134 Predicativism makes theories of huge cardinals impossible [Bostock]