Talk:Categorial grammar

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I think it should say what is a syntactic structure of a sentence in CG. In GB it is a tree, in HPSG it is a feature structure, ... Is it the particular proof? Or an equivalence class of proofs? Or is it the abstract connection between the strign and its semantics facilitated via proofs? --Jirka 16:29, 15 May 2005 (UTC)