Example image of eyePlorer eyePlorer map for 'Logicism': Logic Mathematics Philosophy of mathematics Reduction (philosophy) Alfred North Whitehead Bertrand Russell Gottlob Frege Naive set theory Russell's paradox Principia Mathematica Zermelo–Fraenkel set theory Gödel's incompleteness theorems Kurt Gödel Analytic philosophy Hume's principle Bob Hale (philosopher) Crispin Wright The Foundations of Arithmetic Ancestral relation Frege's theorem Louis Couturat Aaron Sloman Process philosophy Preintuitionism John Corcoran (logician) Definitions of mathematics Logical positivism Axiomatic system Bertrand Russell's views on philosophy Imre Lakatos Ivor Grattan-Guinness Axiom History of logic Function (mathematics) Immanuel Kant Glossary of philosophy