Results 11 to 20 of about 16,571,812 (297)
Open Higher-Order Logic. [PDF]
We introduce a variation on Barthe et al.’s higher-order logic in which formulas are interpreted as predicates over open rather than closed objects. This way, concepts which have an intrinsically functional nature, like continuity, differentiability, or monotonicity, can be expressed and reasoned about in a very natural way, following the structure of ...
Ugo Dal Lago +2 more
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CERES in higher-order logic [PDF]
Cut-elimination by resolution (CERES) for first-order logic [\textit{M. Baaz} et al., Lect. Notes Comput. Sci. 3452, 481--495 (2005; Zbl 1108.03305)] transforms the set of cut-formulas in a given proof \(\pi\) into a refutable formula \(R\). Given a resolution refutation of \(R\), cuts are sufficiently easily eliminated from \(\pi\).
Stefan Hetzl +2 more
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Higher-Order Coalition Logic [PDF]
We introduce and study higher-order coalition logic, a multi modal monadic second-order logic with operators [{x}ψ]φ expressing that the coalition of all agents satisfying ψ(x) can achieve a state in which φ holds. We use neighborhood semantics to model extensive games of perfect information with simultaneous actions and
BOELLA, Guido +3 more
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Refinement of Higher-Order Logic Programs [PDF]
A refinement calculus provides a method for transforming specifications to executable code, maintaining the correctness of the code with respect to its specification. In this paper we extend the refinement calculus for logic programs to include higher-order programming capabilities in specifications and programs, such as procedures as terms and lambda ...
Robert Colvin +3 more
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Extensional Higher-Order Logic Programming [PDF]
We propose a purely extensional semantics for higher-order logic programming. In this semantics program predicates denote sets of ordered tuples, and two predicates are equal iff they are equal as sets. Moreover, every program has a unique minimum Herbrand model which is the greatest lower bound of all Herbrand models of the program and the least fixed-
Angelos Charalambidis +3 more
core +8 more sources
Embedding of Quantified Higher-Order Nominal Modal Logic into Classical Higher-Order Logic
In this paper, we present an embedding of higher-order nominal modal logicinto classical higher-order logic, and study its automation. There exists no automated theorem prover for first-order or higher-order nominal logic at the moment, hence, this is the first automation for this kind of logic.In our work, we focus on nominal tense logic and have ...
Wisniewski, Max, STEEN, Alexander
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Taking Stock: Hale, Heck, and Wright on Neo-Logicism and Higher-Order Logic [PDF]
Four philosophical concerns about higher-order logic in general and the specific demands placed on it by the neo-logicist project are distinguished.
Wright, Crispin
core +1 more source
Extensional Semantics for Higher-Order Logic Programs with Negation [PDF]
We develop an extensional semantics for higher-order logic programs with negation, generalizing the technique that was introduced in [Bezem99,Bezem01] for positive higher-order programs.
Panos Rondogiannis, Ioanna Symeonidou
doaj +1 more source
Superposition for Full Higher-order Logic [PDF]
AbstractWe recently designed two calculi as stepping stones towards superposition for full higher-order logic: Boolean-free$$\lambda $$λ-superposition and superposition for first-order logic with interpreted Booleans. Stepping on these stones, we finally reach a sound and refutationally complete calculus for higher-order logic with polymorphism ...
Alexander Bentkamp +3 more
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Grundlagen §64: an alternative strategy to account for second-order abstraction
A famous passage in Section 64 of Frege’s Grundlagen may be seen as a justification for the truth of abstraction principles. The justification is grounded in the procedure of content recarving which Frege describes in the passage.
Vincenzo Ciccarelli
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