[[abstract]]In this paper, A-not-A questions are analyzed in a post-syntactic approach. The operation that forms the A-not-A questions consists of two M-merger stages. First, Lowering is carried out to attach the A-not-A operator to the target. Afterward, Local Dislocation applies to pick up the candidate for reduplication. M-merger of the A-not-A operator to its target is a movement of Morphosyntactic Word to another Morphosyntactic Word. Since movement of a Morphosyntactic Word to Subword is prohibited for the A-not-A operation, adjoined modifiers cannot feed the A-not-A formation. On the other hand, the A-not-A operator can only pick its adjacent MWd as the candidate for reduplication, because linear order should be obeyed. Based on different reduplication domains, various subtypes of A-not-A questions, such as A-not-AB and AB-not-A, can be derived. To summarize this study, the A-not-A constructions are analyzed in a unified fashion.
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