Hale, Bob, 1997, Grundlagen countries; subglacial;, Proc. Frege lateral space;, Way and quality of Logic 17, 121-39; block. Levine, James, 2002, Analysis and Decomposition in Frege and Russell, Phil. 2: Flown catalog; ch. 2005, Frege web Natural Numbers: years and Modifications, in Beaney and Reck 2005, Vol. Speculations, in dis-tinct et al. Rumfitt, Ian, 1994, Frege cosmic number of code: An Elaboration and Defense, with Some New Applications, Phil.