Stanford University
Many Valued Logic/stanford Encyclopedia of Philosophy
Explains the logical theory of "many-valued logic," a modern alternative to classic logic. Sections address its history, notation and proofs, and applications to linguistics, mathematics, philosophy, and artificial intelligence. For the...
University of St. Andrews (UK)
University of St. Andrews: Stanislaw Leshniewski
Brief biographical entry on Leshniewski detailing his relationship with Lukasiewicz.