Antecedent-contained deletion (= antecedent-contained ellipsis) is a phenomenon found in contexts containing verb phrase ellipsis and a quantifier. The ellipsis appears to be contained inside its antecedent, which should result in an infinite regress and thus ungrammaticality. The problem arises in phrase structure grammars that see the constituent as the fundamental unit of syntactic analysis.[1] It does not arise if the catena is taken to be the fundamental unit.[2] The catena is associated with dependency grammars.[3]
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To understand the issue involved, it is necessary to understand how VP-ellipsis works. Consider the following examples, where the expected, but elided, VP is represented with a smaller font and subscripts and the antecedent to the ellipsis is in bold:
In both of these sentences, the VP has been elided in the second half of the sentence. In both cases, the elided VP must be identical to the antecedent in the first clause. That is, the missing predicate in the first sentence can only mean wash the dishes, and in the second sentence, the missing predicate can only mean wash the dishes on Tuesday. Assuming that the missing VP must be identical to an antecedent VP leads to a problem, first noticed by Bouton (1970):
Since the elided VP must be identical to its antecedent and assuming that the antecedent is a full VP, an infinite regress occurs, as indicated by the subscripted material, which would continue to repeat itself ad infinitum. That is, if we substitute in the antecedent VP into the position of the ellipsis, we must repeat the substitution process ad infinitum.
To avoid this problem, Sag (1976) proposed that the NP every book that Mary did undergoes quantifier raising (QR) to a position above the verb.
Now the reference for the elided VP is simply the following:
The analysis can now assume that the elided VP in the example corresponds to just read, since after QR, the antecedent VP no longer contains the object raised NP. The result is the following analysis:
The infinite regress is now avoided because after QR, the antecedent VP contains just the verb read.
An analysis of VP-ellipsis that takes the catena to be the fundamental unit of syntax (as opposed to the constituent) is not confronted with the antecedent-containment problem. The ellipsis can correspond to a non-constituent catena, which means a QR-type analysis is not needed. The catena is a concrete unit of syntactic analysis associated with dependency grammars;[4] it is defined as any word or any word combination that is continuous with respect to dominance. The subscripted material in the examples above all qualify as catenae. The point is illustrated further with the following examples:
Both the elided material and the antecedent to the elided material qualify as catenae. The need for a QR or any other movement-type analysis is not needed. One can note that the second two of these three examples are instances of pseudogapping, pseudogapping being a particular manifestation of VP-ellipsis.
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