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Published online by Cambridge University Press: 12 March 2026
Attempts to justify the principle of asymmetrical ordering have failed to consider some of the alternative relations among phonological rules and have ignored the problems raised by free alternation. Many free alternation patterns, like the i/y/iy, u/v/uv of Sanskrit and the complex vowel sequence alternations of Chorti (Mayan), cannot be generated economically by rules applicable only in fixed linear or cyclical order, but can be by rules applicable in alternative or symmetric order, a–b or b–a. Variable coefficients like Labov's are adaptable to systems of symmetrically or QUASI-ORDERED rules, permitting description of idiolectal and stylistic features in terms of the frequency of rule-choice—or, for closer approximations, of rule-sequence choice. A preliminary application of this approach to Chorti morphophonemic data leads to the isolation of three narrative styles and demonstrates the independence of the alternation rules within the community.