For example, whereas the proper noun John is assigned to two distinct categories in the lexicon in Table  2, in the T-CCG lexicon it is assigned to a single non-maximal type 'NP sg ' which subsumes the two maximal types 'NP sg sbj ' and 'NP sg obj '.
the phenomenon of case syncretism in English proper nouns is captured by having a general singular noun phrase type, which subsumes a plurality of case distinctions.