more from Penelope Maddy

Single Idea 18169

[catalogued under 4. Formal Logic / F. Set Theory ST / 4. Axioms for Sets / p. Axiom of Reducibility]

Full Idea

The Axiom of Reducibility states that every propositional function is extensionally equivalent to some predicative proposition function.

Gist of Idea

Axiom of Reducibility: propositional functions are extensionally predicative


Penelope Maddy (Naturalism in Mathematics [1997], I.1)

Book Reference

Maddy,Penelope: 'Naturalism in Mathematics' [OUP 2000], p.11

Related Idea

Idea 18168 'Propositional functions' are propositions with a variable as subject or predicate [Maddy]