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Single Idea 18114

[from 'Philosophy of Mathematics' by David Bostock, in 4. Formal Logic / F. Set Theory ST / 1. Set Theory ]

Full Idea

There is so far no agreed set of axioms for set theory which is categorical, i.e. which does pick just one structure.

Gist of Idea

There is no single agreed structure for set theory

Source

David Bostock (Philosophy of Mathematics [2009], 6.4)

Book Reference

Bostock,David: 'Philosophy of Mathematics: An Introduction' [Wiley-Blackwell 2009], p.188


A Reaction

This contrasts with Peano Arithmetic, which is categorical in its second-order version.