Kiparsky's "elsewhere condition" and the universal principle of Proper Inclusion Precedence in a theory of anti-extrinsic ordering are found inadequate for the application of the subrules of a mirror-image rule. An extension of the formulation of PIP incorporates explicit reference to mirror-image rules. (Author/RM)

This article argues that morphosemantic sets are a consequence of general properties of language structure. Thus the sets serve as a framework for advancing the study of motivation as a functional feature of language use. (Author/NCR)