This is a file in the archives of the Stanford Encyclopedia of Philosophy.

Stanford Encyclopedia of Philosophy
Supplement to Frege’s Logic, Theorem, and Foundations for Arithmetic

graphic of the Proof of the Law of Extensions

Return to Frege’s Logic, Theorem, and Foundations for Arithmetic

Copyright © 1998 by
Edward N. Zalta
zalta@stanford.edu

First published: June 10, 1998
Content last modified: June 10, 1998