Stanford University
Stanford Encyclopedia of Philosophy: Bertrand Russell
Excellent article summarizing Bertrand Russell's thought. Includes chronology of major events in his life, but most of the article spends time on Russell's contributions in logic, analytic philosophy, and social criticism. Also includes...
Stanford University
Stanford Encyclopedia of Philosophy: Frege's Logic
Lengthy and detailed, but also quite technical, article explaining the major theorems of Frege's logic. Introduction gives a helpful overview and bibliography is included at end, but anyone without a background in logical notation may...
Stanford University
Stanford Ency. Of Philosophy: Logical Construction
This site from the Stanford Encyclopedia of Philosophy discusses Bertrand Russell's notion of "logical construction" and its influence in the development of logical positivism. Mostly historical in orientation and is accessible to those...
Stanford University
Stanford Encyclopedia of Philosophy: Russell's Paradox
Explains briefly the history and significance of Russell's famous logical paradox. Includes links to other Russell-related websites. Uses a minimum of technical notation.
University of St. Andrews (UK)
University of St. Andrews: Stanislaw Leshniewski
Brief biographical entry on Leshniewski detailing his relationship with Lukasiewicz.