tailieunhanh - Toposes, Triples and Theories

This is a corrected version of the first (and only) edition of the text, published by in 1984 by Springer-Verlag as Grundlehren der mathematischen Wissenschaften 278. It is available only on the internet, at the locations given on the title page. All known errors have been corrected. The first chapter has been partially revised and supplemented with additional material. The later chapters are essentially as they were in the first edition. Some additional references have been added as well (discussed below). Our text is intended primarily as an exposition of the mathematics, not a historical treatment of it. In particular, if we state a theorem without attribution we do. | Michael Barr Charles Wells Toposes Triples and Theories Version 7 November 2002 Copyright 2000 by Michael Barr and Charles Frederick Wells. This version may be downloaded and printed in unmodified form for private use only. It is available at http artsci math wells pub and pub barr as any of the files . Michael Barr Peter Redpath Professor Emeritus of Mathematics McGill University barr@ Charles Wells Professor Emeritus of Mathematics Case Western Reserve University Affiliate Scholar Oberlin College charles@ To Marcia and .