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AML
2005
41views more  AML 2005»
13 years 7 months ago
A note on extensions of infinitary logic
We show that a strong form of the so called Lindstr
Saharon Shelah, Jouko A. Väänänen
AGP
2010
IEEE
14 years 26 days ago
Proof-Theoretic and Higher-Order Extensions of Logic Programming
We review the Italian contribution to proof-theoretic and higher-order extensions of logic programming; this originated from the realization that Horn clauses lacked standard abstr...
Alberto Momigliano, Mario Ornaghi
MLQ
2008
63views more  MLQ 2008»
13 years 7 months ago
On triangular norm based axiomatic extensions of the weak nilpotent minimum logic
In this paper we carry out an algebraic investigation of the Weak Nilpotent Minimum logic (WNM) and its t-norm based axiomatic extensions. We consider the algebraic counterpart of...
Carles Noguera, Francesc Esteva, Joan Gispert
APAL
2010
90views more  APAL 2010»
13 years 8 months ago
Canonical extensions for congruential logics with the deduction theorem
We introduce a new and general notion of canonical extension for algebras in the algebraic counterpart AlgS of any finitary and congruential logic S. This definition is logic-base...
Mai Gehrke, Ramon Jansana, Alessandra Palmigiano
CADE
2007
Springer
14 years 8 months ago
Conservative Extensions in the Lightweight Description Logic EL
We bring together two recent trends in description logic (DL): lightweight DLs in which the subsumption problem is tractable and conservative extensions as a central tool for forma...
Carsten Lutz, Frank Wolter