Full Idea
Number-theoretic platonism is just the thesis that natural number is a sortal concept.
Gist of Idea
Number platonism says that natural number is a sortal concept
Source
Crispin Wright (Frege's Concept of Numbers as Objects [1983], 1.i)
Book Reference
Wright,Crispin: 'Frege's Conception of Numbers' [Scots Philosophical Monographs 1983], p.4
A Reaction
See Crispin Wright on sortals to expound this. An odd way to express platonism, but he is presenting the Fregean version of it.
Related Ideas
Idea 13865 'Sortal' concepts show kinds, use indefinite articles, and require grasping identities [Wright,C]
Idea 13867 Instances of a non-sortal concept can only be counted relative to a sortal concept [Wright,C]
Idea 13866 A concept is only a sortal if it gives genuine identity [Wright,C]