9783540206071 - the logic system of concept graphs with negation: and its relationship to predicate logic (lecture notes in computer science, 2892, band 2892) von dau, frithjof (2 Ergebnisse)
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Taschenbuch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - The aim of contextual logic is to provide a formal theory of elementary logic, which is based on the doctrines of concepts,judgements, and conclusions. Concepts are mathematized using FormalConcept Analysis (FCA), while an approach to the formalizati…on of judgements andconclusions is conceptual graphs, based on Peirce's existential graphs.Combining FCAand a mathematization of conceptual graphs yields so-called concept graphs, which offer a formal and diagrammatic theory of elementary logic. Expressing negation in contextual logic is a difficult task. Based on the author's dissertation, this book shows how negation on the level ofjudgements can be implemented. To do so, cuts (syntactical devices used to expressnegation) are added to concept graphs. As we can express relations between objects, conjunction and negation in judgements, and existential quantification, the author demonstrates that concept graphs with cuts have the expressive power of first-order predicate logic. While doing so, the authordistinguishes between syntax and semantics, and provides a sound and completecalculus for concept graphs with cuts.The author's treatment ismathematically thorough and consistent, and the book gives the necessarybackground on existential and conceptual graphs.
