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Single Idea 18144

[filed under theme 6. Mathematics / C. Sources of Mathematics / 6. Logicism / c. Neo-logicism ]

Full Idea

The neo-logicists take up Frege's claim that Hume's Principle introduces a new concept (of a number), but unlike Frege they go on to claim that it by itself gives a complete account of that concept.

Gist of Idea

Neo-logicists agree that HP introduces number, but also claim that it suffices for the job

Source

David Bostock (Philosophy of Mathematics [2009], 9.A.2)

Book Ref

Bostock,David: 'Philosophy of Mathematics: An Introduction' [Wiley-Blackwell 2009], p.268


A Reaction

So the big difference between Frege and neo-logicists is the Julius Caesar problem.

Related Idea

Idea 18142 One-one correlations imply normal arithmetic, but don't explain our concept of a number [Frege, by Bostock]