Boolean Reasoning by Frank Markham Brown

Boolean Reasoning by Frank Markham Brown

This book is about the logic of Boolean equations. Such equations were central in the algebra of logic created in 1847 by Boole 12, 13] and devel- oped by others, notably Schroder 178], in the remainder of the nineteenth century. Boolean equations are also the language by which digital circuits are described today. Logicians in the twentieth century have abandoned Boole's equation- based logic in favor of the more powerful predicate calculus. As a result, digital engineers-and others who use Boole's language routinely-remain largely unaware of its utility as a medium for reasoning. The aim of this book, accordingly, is to is to present a systematic outline of the logic of Boolean equations, in the hope that Boole's methods may prove useful in solving present-day problems. Two Logical Languages Logic seeks to reduce reasoning to calculation. Two main languages have been developed to achieve that object: Boole's algebra of logic and the predicate calculus. Boole's approach was to represent classes (e. g., happy creatures, things productive of pleasure) by symbols and to represent logical statements as equations to be solved. His formulation proved inadequate, however, to represent ordinary discourse. A number of nineteenth-century logicians, including Jevons 94], Poretsky 159], Schroder 178], Venn 210], and Whitehead 212, 213], sought an improved formulation based on ex- tensions or modifications of Boole's algebra. These efforts met with only limited success.

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ISBN 13
Title	Boolean Reasoning
Author	Frank Markham Brown
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