Introduction to combinators and &lgr;-calculus
Introduction to combinators and &lgr;-calculus
The clausal theory of types
Theoretical Computer Science
Lambda-calculus, types and models
Lambda-calculus, types and models
Decidability of behavioural equivalence in unary PCF
Theoretical Computer Science
Third-Order Matching in the Presence of Type Constructors
TLCA '95 Proceedings of the Second International Conference on Typed Lambda Calculi and Applications
Decidability of All Minimal Models
TYPES '95 Selected papers from the International Workshop on Types for Proofs and Programs
Linear Interpolation for the Higher-Order Matching Problem
TAPSOFT '97 Proceedings of the 7th International Joint Conference CAAP/FASE on Theory and Practice of Software Development
Higher-Order Matching and Tree Automata
CSL '97 Selected Papers from the11th International Workshop on Computer Science Logic
Third-Order Matching in the Polymorphic Lambda Calculus
HOA '95 Selected Papers from the Second International Workshop on Higher-Order Algebra, Logic, and Term Rewriting
RTA '01 Proceedings of the 12th International Conference on Rewriting Techniques and Applications
A Decidable Variant of Higher Order Matching
RTA '02 Proceedings of the 13th International Conference on Rewriting Techniques and Applications
Higher-order beta matching with solutions in long beta-eta normal form
Nordic Journal of Computing - Selected papers of the 17th nordic workshop on programming theory (NWPT'05), October 19-21, 2005
Model-Checking Games for Typed λ-Calculi
Electronic Notes in Theoretical Computer Science (ENTCS)
CADE-21 Proceedings of the 21st international conference on Automated Deduction: Automated Deduction
FOSSACS '09 Proceedings of the 12th International Conference on Foundations of Software Science and Computational Structures: Held as Part of the Joint European Conferences on Theory and Practice of Software, ETAPS 2009
Decidability of bounded higher-order unification
Journal of Symbolic Computation
Verification of higher-order computation: a game-semantic approach
ESOP'08/ETAPS'08 Proceedings of the Theory and practice of software, 17th European conference on Programming languages and systems
A game-theoretic approach to deciding higher-order matching
ICALP'06 Proceedings of the 33rd international conference on Automata, Languages and Programming - Volume Part II
Higher-order matching in the linear lambda calculus in the absence of constants is NP-complete
RTA'05 Proceedings of the 16th international conference on Term Rewriting and Applications
Higher-order matching and games
CSL'05 Proceedings of the 19th international conference on Computer Science Logic
Proof systems for retracts in simply typed lambda calculus
ICALP'13 Proceedings of the 40th international conference on Automata, Languages, and Programming - Volume Part II
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Higher Order Matching consists of solving finite sets of equations of the form u = βη v, where u, v are simply typed terms of λ-calculus, and v is a closed term. Whether this problem is decidable is an open question. In this paper its decidability is proved when the free variables of all equations are of order at most 4 – we actually extend this result to a more general situation in which in addition to equations, disequations are also considered.