Full Idea
Someone who believes that basic truths of mathematics are true in virtue of meaning is not absolved from the task of saying what the referents of mathematical terms are, or ...what mathematical reality is like.
Gist of Idea
If meaning makes mathematics true, you still need to say what the meanings refer to
Source
Philip Kitcher (The Nature of Mathematical Knowledge [1984], 04.6)
Book Reference
Kitcher,Philip: 'The Nature of Mathematical Knowledge' [OUP 1984], p.86
A Reaction
Nice question! He's a fan of getting at the explanatory in mathematics.