The language described in this paper is based on an attempt to combine relational and functional languages in a unified environment, which provides the best features of both approaches. Our goal was to design design a first order logic language, which allows to define both functions and procedures. Our language is a proper extension of functional languages enriched with somewhat constrained Horn clauses. The constraints are concerned with distinguishing between input and output parameter and sequencing of literals.

A Functional Plus Predicate Logic Programming

BELLIA, MARCO;DEGANO, PIERPAOLO;
1980

Abstract

The language described in this paper is based on an attempt to combine relational and functional languages in a unified environment, which provides the best features of both approaches. Our goal was to design design a first order logic language, which allows to define both functions and procedures. Our language is a proper extension of functional languages enriched with somewhat constrained Horn clauses. The constraints are concerned with distinguishing between input and output parameter and sequencing of literals.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11568/213738
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