Principia Mathematica

by Whitehead & Russell

The Principia Mathematica is a three-volume work on the foundations of mathematics written by the mathematician–philosophers Alfred North Whitehead and Bertrand Russell and published in 1910, 1912, and 1913. In 1925–1927, it appeared in a second edition with an important Introduction to the Second Edition, an Appendix A, and with an additional new Appendix B and Appendix C.