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Lexical relatedness

MORPHOLOGY: a principle proposed in Williams (1981a) to account for bracketing paradoxes, which says that X can be related to Y if X and Y differ only in a head position or in the non-head position. Williams views the question of bracketing paradoxes from the perspective of a concept of relatedness between lexical entries. In his terms, the problem is to explain how words such as hydroelectric and hydroelec-tricity are related to each other, and to the words electric and electricity. From a morphological point of view one has to assign the following structure to hydroelectricity: [hydro [electric+ity]]. However, the semantically motivated structure for this word is [[hydro+electric] ity]. Williams' solution runs as follows. He assigns the structure [hydro [electric+ity]] to this word, and due to the principle of Lexical Relatedness he can relate hydroelectricity (= X) to hydroelectric (= Y), since they differ only in the head position (= -ity).