A formal grammar describes which strings from an alphabet of a formal language are valid according to the language's syntax. A grammar does not describe...

well-formed according to a specific set of rules called a formal grammar. The alphabet of a formal language consists of symbols, letters, or tokens that concatenate...

formulas, which are strings of symbols from an alphabet, formed by a formal grammar (consisting of production rules or formation rules). Deductive system...

In formal language theory, a context-free grammar (CFG) is a formal grammar whose production rules can be applied to a nonterminal symbol regardless of...

comprising the symbolic "words" or "sentences" of a formal system Formal grammar, a grammar describing a formal language Colloquialism, the linguistic style...

syntax of the language Grammar may also refer to: Grammar book, a book describing the grammar of one or more languages Formal grammar, in mathematics, logic...

fields of formal language theory, computer science, and linguistics, is a containment hierarchy of classes of formal grammars. A formal grammar describes...

In formal languages, terminal and nonterminal symbols are the lexical elements used in specifying the production rules constituting a formal grammar. Terminal...

A context-sensitive grammar (CSG) is a formal grammar in which the left-hand sides and right-hand sides of any production rules may be surrounded by a...

computer science, a parsing expression grammar (PEG) is a type of analytic formal grammar, i.e. it describes a formal language in terms of a set of rules...

computer languages or data structures, conforming to the rules of a formal grammar. The term parsing comes from Latin pars (orationis), meaning part (of...

Cognitive science Formalism (philosophy of mathematics) Formal grammar Formal language Formal method Formal system Form and content Mathematical model Mathematical...

it – that is, before it has any meaning. Formal proofs are expressed in some formal languages. A formal grammar (also called formation rules) is a precise...

linguistics, a grammar is the set of rules for how a natural language is structured, as demonstrated by its speakers or writers. Grammar rules may concern...

enterprise of formal semantics can be thought of as that of reverse-engineering the semantic components of natural languages' grammars. Formal semantics studies...

Montague grammar assumed a similar view of syntax. It continues to be a major paradigm, particularly within formal semantics. A categorial grammar consists...

or Lindenmayer system is a parallel rewriting system and a type of formal grammar. An L-system consists of an alphabet of symbols that can be used to...

formal language theory, a prefix grammar is a type of string rewriting system, consisting of a set of string rewriting rules, and similar to a formal...

generative grammar have been expressed using a variety of formal systems, many of which are modifications or extensions of context free grammars. Generative...

somewhat complete formal grammar for a natural language, but there are usually so many exceptions in real usage that a formal grammar is of minimal help...

and formal grammar is not the only correct manner of speaking and writing. Conversational grammar is incredibly different. For example, a grammar nazi...

In theoretical computer science and formal language theory, a regular grammar is a grammar that is right-regular or left-regular. While their exact definition...

In computer science, a lexical grammar or lexical structure is a formal grammar defining the syntax of tokens. The program is written using characters...

An attribute grammar is a formal way to supplement a formal grammar with semantic information processing. Semantic information is stored in attributes...

A grammar school is one of several different types of school in the history of education in the United Kingdom and other English-speaking countries, originally...

In formal language theory, an LL grammar is a context-free grammar that can be parsed by an LL parser, which parses the input from Left to right, and...

but does so on grounds of rules, not a dictionary. Grammar induction Generate a formal grammar that describes a language's syntax. Sentence breaking...

An adaptive grammar is a formal grammar that explicitly provides mechanisms within the formalism to allow its own production rules to be manipulated....

(mapping to T/F). Formal symbols are usually thought of as purely syntactic structures, composed into larger structures using a formal grammar, though sometimes...

should identify himself for what he is, a thief." Bill Gates made this more formal, writing "An Open Letter to Hobbyists", complaining that "As the majority...