... (White and Baldridge, 2003; Hockenmaier and Steedman, 2002) and Eisner’s normal- form con-straints (Bozsahin, 1998; Clark and Curran, 2007).Eisner’s normal form, referred to here as EisnerNF and ... Eisner Normal Form Adding new rules can have implications for parsingefficiency. In this section, we show that the D rulesfit naturally within standard normal form constraints for CCG parsing (Eisner, ... (Eisner, 1996), by providing both329combinatory and logical bases for D. This addition-ally allows Eisner’s normal form constraints to bederived as grammar internal theorems.4.1 The Spurious Ambiguity...