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Covert generalizations in Optimality Theory: the role of stratal faithfulness constraints
Junko Ito,Armin Mester 한국음운론학회 2001 음성·음운·형태론 연구 Vol.7 No.2
Ito, Junko, and Armin Mester. 2001. Covert generalizations in Optimalitv Theory: the role of stratal faithfulness constraints. Studies in Phonetics, Phonology and Morphology 7.2. 273-299. Is it possible for a phonological generalization to persist even when it has ceased to hold of the whole lexicon? We show how the basic architecture of Optimality Theory (OT) imposes a subset organization on lexical inventories, which manifests itself in lexically covert generalizations. The central predictions flow directly from the core tenets of OT, namely, that all grammatical constraints are ranked in a strict order of preference and are in principle violable, with violation always minimized in winning outputs. On the empirical side, we review the evidence for subset organization in the lexical inventories of real languages, focusing on grammar-induced entailment relations between nativization phenomena that other approaches fail to predict. On this foundation, we build a general optimality theoretic model of the phonological lexicon that accommodates the familiar differences between strata - including, but not limited to, the distinction between native words and loanwords - within a unitary constraint system and correctly predicts the existence of a core-periphery structure in the lexicon, without additional assumptions and mechanisms. Formally speaking, our proposal reduces to the claim that stratum-specific input-output faithfulness is both necessary and sufficient (i) to account for the stratal organization of a language's lexicon and (ii) to capture higher-level entailment relations between nativization effects. (University of California, Santa Cruz)