S5 References S5 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 logic… to T is known as S5; and the addition of p ⊃ LMp to T gives the Brouwerian system (named for the Dutch mathematician L.E.J. Brouwer), here called B for short. Read More… to T is known as S5; and the addition of p ⊃ LMp to T gives the Brouwerian system (named for the Dutch mathematician L.E.J. Brouwer), here called B for short. Read More