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A regular grammar is a grammar that is left-linear or right-linear. Observe that by inserting new nonterminals, any linear grammar can be replaced by an equivalent one where some of the rules are left-linear and some are right-linear. For instance, the rules of G above can be replaced with S → aA A → Sb S → ε
In Linear Unit Grammar (2006), the authors describe their "study of language in use and how people manage it, handle it, cope with it and interpret it". [3] It is a "descriptive apparatus and method which aims at integrating all or most of the superficially different varieties of English."
The Chomsky hierarchy in the fields of formal language theory, computer science, and linguistics, is a containment hierarchy of classes of formal grammars. A formal grammar describes how to form strings from a language's vocabulary (or alphabet) that are valid according to the language's syntax.
A theory of binding that acknowledges both linear order and rank can at least begin to predict many of the marginal readings. [9] When both linear order and rank combine, acceptability judgments are robust, e.g. a. Barbara i hopes that she i will be promoted. – Linear order and rank combine to make the indicated reading easily possible. b.
A right-regular grammar (also called right-linear grammar) is a formal grammar (N, Σ, P, S) in which all production rules in P are of one of the following forms: A → a; A → aB; A → ε; where A, B, S ∈ N are non-terminal symbols, a ∈ Σ is a terminal symbol, and ε denotes the empty string, i.e. the string of length 0. S is called the ...
In computational learning theory, induction of regular languages refers to the task of learning a formal description (e.g. grammar) of a regular language from a given set of example strings. Although E. Mark Gold has shown that not every regular language can be learned this way (see language identification in the limit ), approaches have been ...
In linguistics, word order (also known as linear order) is the order of the syntactic constituents of a language. Word order typology studies it from a cross-linguistic perspective, and examines how languages employ different orders. Correlations between orders found in different syntactic sub-domains are also of interest.
Hierarchical structure is modelled by context-free grammar plus a lexicon. Together they express three irreducible structural properties of all human languages: dominance (constituents are organized in a hierarchical fashion); labelling (constituents differ in type, i.e. category); linear precedence (constituents are ordered relative to each ...