AffiliationUniversity of Arizona
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AbstractParallel Lexical Optimality Theory (PLOT) is a model I propose to account for opacity and related phenomena in Optimality Theory. PLOT recognizes three input interfaces and three output interfaces to the grammar. Interfaces are related to each other by constituency and by correspondence (McCarthy & Prince 1995). PLOT’s architecture provides sufficient power to account for opacity, but is not overly powerful, I argue. Additionally, PLOT interfaces neatly with Comparative Markedness (McCarthy 2002b) to explain the co-occurrence of derived environment effects and counterfeeding opacity. PLOT also makes more limited typological predictions than LPM-OT (Kiparsky 2003), on which PLOT is based, since PLOT recognizes only one markedness hierarchy for the grammar.