λProlog, also written lambda Prolog, is a logic programming language featuring polymorphic typing, modular programming, and higher-order programming....

the higher-order logic programming language λProlog. The paper that introduced the term HOAS used λProlog code to illustrate it. Unfortunately, when one...

a Director of Research at Inria Saclay and one of the designers of the λProlog programming language and the Abella interactive theorem prover. Miller...

Xs). Higher-order programming style in Prolog was pioneered in HiLog and λProlog. For programming in the large, Prolog provides a module system, which is...

functional programming language with first-class Datalog constraints) Janus λProlog (a logic programming language featuring polymorphic typing, modular programming...

including ALF, Fril, Gödel, Mercury, Oz, Ciao, Visual Prolog, XSB, and λProlog. Constraint logic programming (CLP) combines Horn clause logic programming...

1978)-Director of Research at Inria Saclay and one of the designers of the λProlog programming language and the Abella theorem prover. Clyde A. Lynch (Class...

is another such subset. The higher-order logic programming languages λProlog and Twelf have switched from full higher-order unification to implementing...

a generalisation of Horn clauses, and forms the basis for the language λProlog. Hereditary Harrop formulae are defined in terms of two (sometimes three)...

to deterministic type families, which avoids recalculation. Also, like λProlog, Twelf generalizes Horn clauses to hereditary Harrop formulas, which allow...