 Abelard [Abailard], Peter |  Albert of Saxony |  Aristotle, commentators on |  Aristotle, General Topics: logic |  Boethius, Anicius Manlius Severinus |  Buridan, John [Jean] |  Burley [Burleigh], Walter |  insolubles [= insolubilia] |  logic: ancient |  logic: relevance |  logical consequence |  logical constants |  medieval philosophy |  modality: medieval theories of |  obligationes, medieval theories of |  Ockham [Occam], William |  Paul of Venice |  schema |  syllogism: medieval theories of |  Tarski, Alfred |  terms, properties of: medieval theories of 