linguistics, a formal language is a set of strings whose symbols are taken from a set called "alphabet". The alphabet of a formal language consists of symbols...

Formal semantics is the scientific study of grammatical meaning in natural languages using formal concepts from logic, mathematics and theoretical computer...

mathematics, a formal proof or derivation is a finite sequence of sentences (known as well-formed formulas when relating to formal language), each of which...

In formal language theory, an alphabet, sometimes called a vocabulary, is a non-empty set of indivisible symbols/characters/glyphs, typically thought...

A formal grammar is a set of symbols and the production rules for rewriting some of them into every possible string of a formal language over an alphabet...

respectively. A formal language is a language that is defined by a formal system. Like languages in linguistics, formal languages generally have two...

In mathematics, a local language is a formal language for which membership of a word in the language can be determined by looking at the first and last...

In formal language theory and pattern matching, alternation is the union of two sets of strings, or equivalently the logical disjunction of two patterns...

empirical methods, the formal sciences use language tools concerned with characterizing abstract structures described by formal systems and the deductions...

In formal language theory, weak equivalence of two grammars means they generate the same set of strings, i.e. that the formal language they generate is...

it Formal verification, proves correctness of a system Formal system, an abstract means of generating inferences in a formal language Formal language, comprising...

robustness of a design. Formal methods employ a variety of theoretical computer science fundamentals, including logic calculi, formal languages, automata theory...

pattern language is a formal language that can be defined as the set of all particular instances of a string of constants and variables. Pattern Languages were...

rules of the language. In a formal system a symbol may be used as a token in formal operations. The set of formal symbols in a formal language is referred...

is the language consisting of strings w such that xw is in L 1 {\displaystyle L_{1}} for some string x in L 2 {\displaystyle L_{2}} . Formally: L 2 ∖...

their syntax (form) and semantics (meaning), usually defined by a formal language. Languages usually provide features such as a type system, variables, and...

A computer language is a formal language used to communicate with a computer. Types of computer languages include: Construction language – all forms of...

formal language theory, a cone is a set of formal languages that has some desirable closure properties enjoyed by some well-known sets of languages,...

A specification language is a formal language in computer science used during systems analysis, requirements analysis, and systems design to describe...

In philosophy, the term formal ontology is used to refer to an ontology defined by axioms in a formal language with the goal to provide an unbiased (domain-...

In logic, syntax is anything having to do with formal languages or formal systems without regard to any interpretation or meaning given to them. Syntax...

systems, timed automata, hybrid automata, process algebra, formal semantics of programming languages such as operational semantics, denotational semantics...

natural language whereas formal logic uses formal language. When used as a countable noun, the term "a logic" refers to a specific logical formal system...

interpretation is an assignment of meaning to the symbols of a formal language. Many formal languages used in mathematics, logic, and theoretical computer science...

formally defined computer languages used for computer programming. Unlike conventional human languages, a formal language in this sense is a system of...

grammar Context-sensitive language Decidable language ECLR-attributed grammar Finite language Formal grammar Formal language Formal system Generalized star...

typically either a spoken language or a sign language. Natural languages are distinguished from constructed and formal languages such as those used to program...

theoretical computer science and formal language theory, a regular language (also called a rational language) is a formal language that can be defined by a regular...

Literary language is the register of a language used when writing in a formal, academic, or particularly polite tone; when speaking or writing in such...

them. In this context, statements become well-formed formulas of some formal language. A theory consists of some basis statements called axioms, and some...