T References T logical system Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: formal logic/ Alternative systems of modal logicThe modal system known as T has as axioms some set of axioms adequate for PC (such as those of PM), and in addition Read MoreThe modal system known as T has as axioms some set of axioms adequate for PC (such as those of PM), and in addition Read More