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...utomata theory]], an '''unambiguous finite automaton''' ('''UFA''') is a [[nondeterministic finite automaton]] (NFA) such that each word has at most one accepting path An ''[[nondeterministic finite automaton|NFA]]'' is represented formally by a [[n-tuple|5-tuple]], ...

{{Short description|Probabilistic logic programming language}} | programming language = [[Python (programming language)|Python]] ...

===Star height of regular languages=== ...[[formal language theory]], for studying the [[star height]] of [[regular languages]]. {{harvtxt|Eggan|1963}} established a relation between the theories of r ...

...is a method of transforming a [[regular expression]] into an equivalent [[nondeterministic finite automaton]] (NFA).<ref>{{cite book |last1=Louden |first1=Kenneth C. ...is algorithm is a part of the proof that they both accept exactly the same languages, that is, the [[regular language]]s. ...

...lso concerned with the practical realization of [[functional programming]] languages, language tools and [[type systems|type theory]] that can control the resou ...has also shown that if non-determinism is added to the language (as in a [[Nondeterministic Turing machine]]), the class of problems that can be accepted is still P. ...

...Regex can be easily converted to [[nondeterministic finite-state automaton|nondeterministic automata]] (NFAs), in which for each state and input symbol, there may be s * the engine may consider all possible paths through the nondeterministic automaton in parallel; ...

...lecture), Proc. 15th [[International Colloquium on Automata, Languages and Programming]], 1988 (ICALP 88), ''[[Lecture Notes in Computer Science]]'', vol. 317 (1 ...rchy theorems are separation results that show that both deterministic and nondeterministic machines can solve more problems in (asymptotically) more space, subject to ...

...alis. "Communicating hierarchical state machines," Automata, Languages and Programming. Prague: ICALP, 1999</ref> ...ing finite state machines with priority channels," Automata, Languages and Programming. Antwerp: ICALP, 1984</ref> ...

{{Short description|Programming language}} ...pages 169-206. Springer, 2011.</ref> is a [[domain-specific language]] for programming and analyzing coordination protocols that compose individual ''processes'' ...

...rministic finite automata]] (DFAs) and [[Nondeterministic finite automaton|nondeterministic finite automata]] (NFAs), which correspond to weighted automata over the [[ Therefore a weighted automaton can be considered analogous to a [[nondeterministic finite automaton]] (NFA). ...

...t one <math>b</math> such that <math>a \to_S b</math>. Otherwise it is a ''nondeterministic'' strategy.<ref name=Klop/> ...6=M. R. |title=Term graph rewriting |conference=Parallel Architectures and Languages Europe |date=1987 |volume=259 |pages=141–158 |doi=10.1007/3-540-17945-3_8}} ...

...heory]] and their relationship to [[Database query language|database query languages]], in particular to [[Datalog]]. ...dings of the 6th ACM SIGACT-SIGPLAN Symposium on Principles of Programming Languages - POPL '79|pages=110–119|location=New York, New York, USA|publisher=ACM Pre ...

In 2007 Chris Kuklewicz implemented TDFA in a [[Haskell (programming language)|Haskell]] library Regex-TDFA with POSIX longest-match semantics. |title= Efficient POSIX submatch extraction on nondeterministic finite automata. ...

| programming language = [[C++]] ...site=CodeProject}}</ref><ref>{{cite web|url=https://www.thefreecountry.com/programming/compilerconstruction.shtml|title=Free Compiler Construction Tools|last=Heng ...

{{Short description|Type system used in computer programming and mathematics}} ...ctional programs | conference = 9th Symposium on Principles of programming languages (POPL'82) | pages = 207–212 | publisher = ACM | url = http://web.cs.wpi.edu ...

...words]] <math>u</math> and <math>v</math>, each over an [[Alphabet (formal languages)|alphabet]] <math>\Sigma \cup \Xi</math> comprising both constants (c.f. <m ...link.springer.com/book/10.1007/978-3-642-59136-5 |title=Handbook of Formal Languages |date=1997 |language=en |doi=10.1007/978-3-642-59136-5 |isbn=978-3-642-6386 ...

...lem]] for [[PSPACE]], the class of problems solvable by a deterministic or nondeterministic [[Turing machine]] in polynomial space and unlimited time.<ref>{{cite book ...net/publication/227320440|conference=Principles and Practice of Constraint Programming – CP 2011|volume=6876|pages=414–428|doi=10.1007/978-3-642-23786-7_32|isbn=9 ...

...del of computation, i.e., all programs that can be written in some given [[programming language]] that is general enough to be equivalent to a Turing machine. The === Programming consequences{{anchor|Avoiding the halting problem}} === ...

| title = Automata theory and formal languages (Second GI Conf., Kaiserslautern, 1975) | title = Proc. 42nd International Colloquium on Automata, Languages, and Programming (ICALP) ...

...ooks.google.com/books?id=1BZW9m5ScQoC |title=Principles of Logic and Logic Programming |last2=Nerode |first2=A. |date=1996-06-13 |publisher=Elsevier |isbn=978-0-0 ...on proposed by W.V.O. Quine, suggesting that no unique translation between languages can be determined solely by empirical evidence, due to the underdeterminati ...