Full Idea
I attach no decisive importance even to bringing in the extension of the concepts at all.
Gist of Idea
The extension of concepts is not important to me
Source
Penelope Maddy (Naturalism in Mathematics [1997], §107)
Book Reference
Maddy,Penelope: 'Naturalism in Mathematics' [OUP 2000], p.117
A Reaction
He almost seems to equate the concept with its extension, but that seems to raise all sorts of questions, about indeterminate and fluctuating extensions.
Related Idea
Idea 18181 The Number for F is the extension of 'equal to F' (or maybe just F itself) [Frege]