An introduction to many-valued and fuzzy logic : semantics, algebras, and derivation systems / Merrie Bergmann. Bergmann, Merrie. Fuzzy logic. Many-valued logic. QA9.64 .B47 2008 511.3 BEI Includes bibliographical references (p. 321-325) and index. Cambridge : Cambridge University Press, 2008. 2008. 2008 Text xii, 329 p. : http://www.loc.gov/catdir/toc/ecip0711/2007007725.html http://www.loc.gov/catdir/enhancements/fy0743/2007007725-b.html http://www.loc.gov/catdir/enhancements/fy0743/2007007725-d.html eng