Abstract
We define the syntax of various logical languages using Bnf notation with some commonly used additions. Elements (words) of the defined language are called terminal symbols. Syntactic categories, i.e., sets of well-formed expressions are represented by non-terminal symbols and denoted by <Name>, where Name is the name of a category. Syntactic categories are defined over non-terminal and terminal symbols using rules of the form:
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© 2006 Springer
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Doherty, P., Łukaszewicz, W., Skowron, A., Szałas, A. (2006). Basic Notions. In: Knowledge Representation Techniques. Studies in Fuzziness and Soft Computing, vol 202. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-33519-6_2
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DOI: https://doi.org/10.1007/3-540-33519-6_2
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-33518-4
Online ISBN: 978-3-540-33519-1
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