Jody Azzouni, Why deflationary nominalists shouldn't be agnostics, Philosophical Studies: An International Journal for Philosophy in the Analytic Tradition, Vol. 172, No. 5 (May 2015), pp. 1143-1161 ...

Hartry Field has shown us a way to be nominalists: we must purge our scientific theories of quantification over abstracta and we must prove the appropriate conservativeness results. This is not a path ...