Frege synthesized : essays on the philosophical and foundational work of Gottlob Frege - Haaparanta, Leila,; Hintikka, Jaakko, (Synthese Library : studies on epistemology, logic, methodology, philosophy of science, sociology of science and of knowledge, and on the mathematical methods of social and behavioral sciences / editors: Donald Davidson, Jaakko Hintikka, Gabriel Nuchelmans, Wesley C. Salmon ;, 1986)