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# Propositional Logic

• Wolfgang Rautenberg
Chapter
• 4.5k Downloads
Part of the Universitext book series (UTX)

## Abstract

Propositional logic, by which we here mean two-valued propositional logic, arises from analyzing connections of given sentences A, B, such as
$$\mathit{A\ and\ B,\quad A\ or\ B,\quad not\ A,\quad if \ A\ then\ B}.$$
These connection operations can be approximately described by two-valued logic. There are other connections that have temporal or local features, for instance, first A then B or here A there B, as well as unary modal operators like it is necessarily true that, whose analysis goes beyond the scope of two-valued logic. These operators are the subject of temporal, modal, or other subdisciplines of many-valued or nonclassical logic. Furthermore, the connections that we began with may have a meaning in other versions of logic that two-valued logic only incompletely captures. This pertains in particular to their meaning in natural or everyday language, where meaning may strongly depend on context.

## Keywords

Boolean Function Basic Rule Propositional Logic Truth Table Logical Signature
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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## Copyright information

© Springer Science+Business Media, LLC 2010

## Authors and Affiliations

1. 1.Fachbereich Mathematik und InformatikBerlinGermany