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Prof. P.T. Johnstone
Title: Professor of the Foundations of Mathematics
Email: P.T.Johnstone@dpmms.cam.ac.uk
College: St John's College
Room: C1.07
Tel:
+44 1223 337985
Lookup Prof. P.T. Johnstone in university directory
Research Interests:
I have been involved in the development of elemntary topos theory
since its infancy in the early 1970s, and have written two books on
the subject: "Topos Theory" (Academic Press, 1977) and "Sketches of an
Elephant: a Topos Theory Compendium" (Oxford U.P., 2002). My interests
focus particularly on the way in which topos theory provides a means
of integrating geometric and logical ideas in the foundations of
mathematics and of theoretical computer science.
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