Frege's and Dedekind's Logicisms

This is the Introduction to: H. Benis-Sinaceur, M. Panza and G. Sandu, Functions and Generality of Logic. Reflections on Frege's and Dedekind's Logicisms, Springer, Cham Heidelberg New York Dordrecht London 2015.International audienceWe describe and compare Frege’s and Dedekind’s versions of Logicism by emphasizing their essential differences