Search:
Home  About  Submit Site    
  
 
Bernard Bolzano, 1781-1848. German thinker who established a philosophical foundation of mathematics based on the theory of classes. A strong influence on Tarski and other 20th century logicians and semanticists.
Also Available in These Languages
This directory is made available through a Creative Commons Attribution license from the DMOZ Organization.

© 2025 - Midnight Design Productions, LLC