Predicate variable

Known as: Predicate, Predicate symbol

In first-order logic, a predicate variable is a predicate letter which can stand for a relation (between terms) but which has not been specifically…

Papers overview

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2010

We give a purely logical proof of the J. Conway and S. Kochen Free Will theorem concerning undeterminacy in Quantum Mechanics…

2009

We develop a formal framework intended as a preliminary step for a single knowledge representation system that provides different…

2006

Semantics of logic programs has been given by proof theory, model theory and by fixpoint of the immediate-consequence operator…

2003

2001

In the paper, we present declarative, model, and fixpoint semantics for fuzzy disjunctive programs with weak similarity — sets of…

1999

Equational problems (i.e.: first-order formulae with quantifier prefix ∃* ∀*, whose only predicate symbol is syntactic equality…

1998

We present a method to systematically detect feature interactions in requirements. The requirements are expressed as constraints…

1992

An equational formula is a first order formula over an alphabet F of function symbols and the equality predicate symbol. Such…

1987

Let EOA be the elementary ontology augmented by an additional axiom ∃S (S ɛ S), and let LS be the monadic second-order predicate…

1976

The theory of abelian groups with an additional predicate denoting a subgroup is undecidable. 0. Introduction. Let L be the first…