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In Devlin's Angle schreibt man über The mathematics of human thought; vor 150 Jahren hatte George Boole sein Buch "The Laws of Thought" herrausgebracht und damit die Grundlagen fuer die Boolesche Algebra gelegt.

Boole's book begins with these words:

The design of the following treatise is to investigate the fundamental laws of those operations of the mind by which reasoning is performed; to give expression to them in the symbolic language of a Calculus, and upon this foundation to establish the science of Logic and construct its method.
 
 
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