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The terminal yield of a surface structure tree, the surface form, is then predicted to be a grammatical sentence of the language being studied. The role and significance of deep structure changed a great deal as Chomsky developed his theories, and since the mid-1990s deep structure no longer features at all [6] (see minimalist program).
In transformational grammar, each sentence in a language has two levels of representation: a deep structure and a surface structure. [3] The deep structure represents a sentence's core semantic relations and is mapped onto the surface structure, which follows the sentence's phonological system very closely, via transformations. Deep structures ...
The base, in turn, consists of a categorial subcomponent and a lexicon. The base generates deep structures. A deep structure enters the semantic component and receives a semantic interpretation; it is mapped by transformational rules into a surface structure, which is then given a phonetic interpretation by the rules of the phonological component."
A core aspect of the original Standard Theory is a distinction between two different representations of a sentence, called deep structure and surface structure. The two representations are linked to each other by a set of transformation rules, the totality of these rules is what constitute grammar, and what a grammatical description of a ...
Chomsky uses this argument as well to motivate the establishment of distinct levels of linguistic analysis. [75] Chomsky then shows that a grammar which analyzes sentences up to the phrase structure level contains many constructional homonymities at the phrase structure level where the resulting ambiguities need to be explained at a higher level.
Generative semantics views deep structure and transformations as necessary for connecting the surface structure with meaning. Whereas Chomsky’s paradigm considers the deep structure and transformation that link the deep structure to the surface structure essential for describing the structural composition of linguistic items—syntactic ...
In transformational grammar, rules called transformations mapped a level of representation called deep structures to another level of representation called surface structure. The semantic interpretation of a sentence was represented by its deep structure, while the surface structure provided its pronunciation.
"A sentence has an inner mental aspect (a deep structure that conveys its meaning) and an outer, physical aspect as a sound sequence." [citation needed] Chomsky claims that Port Royal linguists developed a theory of deep and surface structures that meets the formal requirements of language theory.