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X 0
X0 may refer to: Grammar * X0, denoting a sentence component ** Zero-level projection, in X-bar theory ** Head (linguistics), or nucleus Science, technology and mathematics * SpaceShipOne flight 15P, a 2004 private spaceflight * X/0, division by zero * Turner syndrome, a disorder in which all or part of an X chromosome is absent * X0 sex-determination system The XO sex-determination system (sometimes referred to as X0 sex-determination system) is a system that some species of insects, arachnids, and mammals (not including humans) use to determine the sex of offspring. In this system, there is only o ..., as found in some insects Vehicles * X0, a smaller rigged version of an X1 (dinghy) * X0, running number for N700 Series Shinkansen prototype from 2014 to 2021 See also * XO (other) * X00, a popular DOS-based FOSSIL driver which was commonly used in the mid 1980s to the late 1990s * 0X (other) {{Letter-Number Combination Disambiguation ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Zero-level Projection
In linguistics, X-bar theory is a model of phrase structure and a theory of syntactic category formation that proposes a universal schema for how phrases are organized. It suggests that all phrases share a common underlying structure, regardless of their specific category (noun phrase, verb phrase, etc.). This structure, known as the X-bar schema, is based on the idea that every phrase (XP, X phrase) has a Head (linguistics), head, which determines the type (syntactic category) of the phrase (X). The theory was first proposed by Noam Chomsky in 1970Chomsky, Noam (1970). Remarks on Nominalization. In: R. Jacobs and P. Rosenbaum (eds.) ''Reading in English Transformational Grammar'', 184–221. Waltham: Ginn. reformulating the ideas of Zellig Harris (1951), and further developed by Ray Jackendoff (1974, 1977a, 1977bJackendoff, Ray (1977b) Constraints on Phrase Structure Rules, in P. W. Culicover, T. Wasow & A. Akmajian (eds.), ''Formal Syntax'', Academic Press, New York, pp. 249– ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
