Logical Foundations of Object-Oriented and Frame-Based Languages


Kifer, Michael ; Lausen, Georg ; Wu, James


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URL: http://ub-madoc.bib.uni-mannheim.de/848
URN: urn:nbn:de:bsz:180-madoc-8483
Document Type: Working paper
Year of publication: 1990
Publication language: English
Institution: School of Business Informatics and Mathematics > Sonstige - Fakultät für Mathematik und Informatik
MADOC publication series: Veröffentlichungen der Fakultät für Mathematik und Informatik > Institut für Informatik > Technical Reports
Subject: 004 Computer science, internet
Subject headings (SWD): Mathematische Logik , Objektorientierte Programmiersprache
Abstract: We propose a novel logic, called Frame Logic (abbr., F-logic), that accounts in a clean, declarative fashion for most of the structural aspects of object-oriented and frame-based languages. These features include object identity, complex objects, inheritance, polymorphic types, methods, encapsulation, and others. In a sense, F-logic stands in the same relationship to the object-oriented paradigm as classical predicate calculus stands to relational programming. The syntax of F-logic is higher-order, which, among other things, allows the user to explore data and schema using the same declarative language. F-logic has a model-theoretic semantics and a sound and complete resolution-based proof procedure. This paper also discusses various aspects of programming in declarative object-oriented languages based on F-logic.
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Kifer, Michael ; Lausen, Georg ; Wu, James (1990) Logical Foundations of Object-Oriented and Frame-Based Languages. Open Access [Working paper]
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