Relevance Logic

Relevance logics are a misunderstood lot. Despite being the subject of intense study for nearly a century they remain maligned as too complicated too abstruse or too silly to be worth learning much about. This Element aims to dispel these misunderstandings. By focusing on the weak relevant logic B the discussion provides an entry point into a rich and diverse family of logics. Also it contains the first-ever textbook treatment of quantification in relevance logics as well as an overview of the cutting edge on variable sharing results and a guide to further topics in the field.