Cardinal and Archbishop of Canterbury Robert Kilwardby OP (c. 1215-1279) was a very important and influential thinker in his time, but he has not received the scholarly attention he deserves. In this book we present the first study of all of his philosophical works from logic and grammar to metaphysics and ethics. It contains a substantial introduction about Kilwardby's life and work as well as a comprehensive bibliography. The articles are all newly written by the foremost experts on Kilwardby today. The book should be of interest to any one studying medieval philosophy but foremost for...

Robert Kilwardby (d.1279) was an English scholar who lectured on logic and grammar at the University of Paris in the 1230s. His lectures earned him widespread fame in Europe. Throughout the thirteenth century and up to the sixteenth, Kilwardby's lectures on Aristotle's Prior Analytics were considered to contain the authoritative exposition of Aristotle's syllogistic logic. They were published at Venice in 1499.

Written in the heady atmosphere of the early 1200s, when long-forgotten Aristotelian works were being rediscovered, Kilwardby's commentary is the work of...

Paul Thom’s book presents Kilwardby’s science of logic as a body of demonstrative knowledge about inferences and their validity, about the semantics of non-modal and modal propositions, and about the logic of genus and species. This science is thoroughly intensional. It grounds the logic of inference on that in virtue of which the inference holds. It bases the truth conditions of propositions on relations between conceptual entities. It explains the logic of genus and species through the notion of essence. Thom interprets this science as a formal logic of intensions with its own proof...