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WOLLIC
2010
Springer
13 years 10 months ago
The Two-Variable Fragment with Counting Revisited
The satisfiability and finite satisfiability problems for the two-variable fragment of first-order logic with counting were shown in [5] to be in NExpTime. This paper presents ...
Ian Pratt-Hartmann
WOLLIC
2010
Springer
13 years 3 months ago
Mechanisation of PDA and Grammar Equivalence for Context-Free Languages
We provide a formalisation of the theory of pushdown automata (PDAs) using the HOL4 theorem prover. It illustrates how provers such as HOL can be used for mechanising complicated p...
Aditi Barthwal, Michael Norrish
WOLLIC
2010
Springer
13 years 10 months ago
Reduction of the Intruder Deduction Problem into Equational Elementary Deduction for Electronic Purse Protocols with Blind Signa
Abstract. The intruder deduction problem for an electronic purse protocol with blind signatures is considered. The algebraic properties of the protocol are modeled by an equational...
Daniele Nantes Sobrinho, Mauricio Ayala-Rinc&oacut...
WOLLIC
2010
Springer
13 years 10 months ago
On the Role of the Complementation Rule for Data Dependencies over Incomplete Relations
Recently, an axiomatization for functional dependencies (FDs) and multivalued dependencies (MVDs) has been established where arbitrary attributes can be specified as NOT NULL. Tha...
Flavio Ferrarotti, Sven Hartmann, Sebastian Link
WOLLIC
2010
Springer
13 years 10 months ago
On Anaphora and the Binding Principles in Categorial Grammar
In type logical categorial grammar the analysis of an expression is a resource-conscious proof. Anaphora represents a particular challenge to this approach in that the antecedent ...
Glyn Morrill, Oriol Valentín