Set theory is peculiarly important... because mathematics can be exhibited as involving nothing but set-theoretical propositions about set-theoretical entities.


A Combinatorial Theory of Possibility, Part I, Chapter 1, Section II (p. 10), Cambridge University Press. 1989


Set theory is peculiarly important... because mathematics can be exhibited as involving nothing but set-theoretical propositions about...

Set theory is peculiarly important... because mathematics can be exhibited as involving nothing but set-theoretical propositions about...

Set theory is peculiarly important... because mathematics can be exhibited as involving nothing but set-theoretical propositions about...

Set theory is peculiarly important... because mathematics can be exhibited as involving nothing but set-theoretical propositions about...