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A new decidable Horn fragment of predicate calculus

โœ Scribed by V. P. Orevkov


Publisher
Springer US
Year
2006
Tongue
English
Weight
372 KB
Volume
134
Category
Article
ISSN
1573-8795

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๐Ÿ“œ SIMILAR VOLUMES


Structural completeness of the first-ord
โœ W. A. Pogorzelski; T. Prucnal ๐Ÿ“‚ Article ๐Ÿ“… 1975 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 427 KB

1. The problem of structural conipleteness of a logical system is formulated as the qiicstion about derivability in this system of all permissible and structural rules (cf. [lo]).

A predicative and decidable characteriza
โœ S. Caporaso; M. Zito; N. Galesi ๐Ÿ“‚ Article ๐Ÿ“… 2001 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 149 KB

Characterizations of PTIME, PSPACE, the polynomial hierarchy and its elements are given, which are decidable (membership can be decided by syntactic inspection to the constructions), predicative (according to points of view by Leivant and others), and are obtained by means of increasing restrictions