This volume pays homage to the historian of logic Angel d Ors (1951-2012), by bringing together a set of studies that together illuminate the complex historical development of logic and semantics. Two main traditions, Aristotelian and terminist, are showcased to demonstrate the changes and confrontations that constitute this history, and a number of different authors and texts, from the Boethian reception of Aristotle to the post-medieval terminism, are discussed. Special topics dealt with include the medieval reception of ancient logic; technical tools for the medieval analysis of language;...