Functional Logic

Do you need Functional Logic?
Check it out the following sites about Functional Logic, or search Functional Logic

• Top/Computers/Programming/Languages/Declarative

» ALF - Foundation: Horn clause logic with equality which consists of predicates and Horn clauses for logic programming, and functions and equations for functional programming. A full integration of both programming models, so any functional expression can be use
» BABEL - Operational semantics based on lazy narrowing; provides some higher-order features.
» Curry - Multiparadigm declarative programming language seamlessly merges functional, logic, and concurrent programming paradigms; covers the most important operational principles in the area of integrated functional logic languages.
» Escher - Declarative, general-purpose language, merges best features of functional and logic languages. Has types and modules, higher-order and meta-programming facilities, declarative input/output. Set of system modules provides many operations on standard data t
» Functional Logic Programming - Michael Hanus's pages on amalgamating functional and logic programming.
» LPG - Generic functional logic language: functions defined by conditional rewrite rules, predicates defined by Horn clauses whose bodies may contain equations, disequations, or classical atomic formulae. Extant version uses extension of SLD-resolution merged wi
» RELFUN - Relational-Functional Language: logic-programming language with call-by-value (eager) expressions of non-deterministic, non-ground functions; clauses are Hornish, succeeding with true(s), or footed, returning any value(s), and define operations (relations
» SEL - Subset-Equational Language: functional programming language based on equational and subset program clauses, with strict semantics, weak typing. Goal: declarative and efficient set processing compatible with functional and logic programming. Provides abili