3470 search results - page 220 / 694 » Head-Elementary-Set-Free Logic Programs |
149
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ICLP
1994
Springer
15 years 10 months ago
1994
Springer
Constructive negation has been proved to be a valid alternative to negation as failure, especially when negation is required to have, in a sense, an `active' role. In this pa...
179
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CORR
2008
Springer
15 years 6 months ago
2008
Springer
This paper presents a toolkit for spreadsheet visualization based on logical areas, semantic classes and data Logical areas, semantic classes and data modules are abstract represe...
291
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ENTCS
2002
15 years 6 months ago
2002
Elf is a general meta-language for the specification and implementation of logical systems in the style of the logical framework LF. Proof search in this framework is based on the...
146
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LICS
2002
IEEE
15 years 11 months ago
2002
IEEE
In joint work with Peter O’Hearn and others, based on early ideas of Burstall, we have developed an extension of Hoare logic that permits reasoning about low-level imperative pr...
164
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LPNMR
2004
Springer
15 years 12 months ago
2004
Springer
Over recent years, various semantics have been proposed for dealing with updates in the setting of logic programs. The availability of different semantics naturally raises the que...