Peter of Spain: Language in Dispute. An English translation of Peter of Spain's 'Tractatus' called afterwards SUMMULAE LOGICALES, based on the ... in the History of the Language Sciences)

This book is a translation of Petrus Hispanus' 13th century text. Hispanus was a contemporary of linguistic theorists called 'Modistae' after 12th to 14th century writings entitled De Modis Significandi. Their concerns involved differences between the way things are in themselves, how we understand them, and how grammatical conventions require us to communicate about them.