Web Help and Web Links for Chapter 9
Page 416, Web Link: Boole and Shannon
Biographies of George Boole and Claude Shannon are available at http://www-groups.dcs.st-and.ac.uk/~history/Mathematicians/Boole.html and http://www-groups.dcs.st-and.ac.uk/~history/Mathematicians/Shannon.html.
Page 416, Web Help: Combinatorial Circuits
Page 423, Web Help: Properties of Combinatorial Circuits
Page 427, Web Help: Boolean Algebras
See http://www.eelab.usyd.edu.au/digital_tutorial/chapter4/4_4.html.
Page 437, Web Help: Conjunctive Normal Form
See http://mathworld.wolfram.com/ConjunctiveNormalForm.html.
Page 439, Web Help: Logic Design