Equi-NP eradication

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Equi-NP- Deletion (also: Equi-NP-Deletion, from Latin aequus 'equal' and deletio 'deletion') denotes in generative transformation grammar a transformation that contains a noun phrase (NP) postulated in the deep structure in an embedded subordinate clause ( see hypotax ) under reference conditions , d. H. if the referent is identical to that of the main clause, it is deleted.

example

Postulated deep structure: [Hans promises [Hans is coming]]

Surface structure after Equi-NP deletion: [Hans promises [to come]]

In a broader sense, the term sometimes also refers to the phenomenon of gapping .

swell

Equi-NP deletion in Norbert Fries, Online Lexicon Linguistics