A Study on the Interpretation of Korean Nucleus and Phonological Phenomena
This thesis is aiming to analyze phonological phenomena logically, which come up with interpretation of nucleus of Korean, based on the analysis that syllable structur...
A Study on the Interpretation of Korean Nucleus and Phonological Phenomena
This thesis is aiming to analyze phonological phenomena logically, which come up with interpretation of nucleus of Korean, based on the analysis that syllable structure of Korean consists of consecutive of both onset and nucleus.
The second chapter introduced the concepts which support theoretical basis of the argument of this thesis. It was theoretically proved that the internal structure of segments consists of relevant unary feature through Element Theory. Based on this, the internal structure of both vowels and consonants of Korean is presented. In addition, it is presented that Korean syllable is made up of non-linear structure, and its phonological constituents have a phonological relationship with each other based on phonological constraints, that is, government and licensing which are suggested in Government phonology. According to this, there exists empty category phonologically. Also it was suggested that phonological phenomena should be analyzed in terms of phonological spreading instead of alignment.
The third Chapter analyzed phonological phenomena related to internal structure of Korean vowels. First of all, it proved that the vowel system of contemporary Korean is made up of licensing of its elements through licensing constraints of Korean vowels. Based on this, monophthongization of /ㅔ/and /ㅐ/ on modern Korean and diphthongization of /ㅟ/ and /ㅚ/ were discussed. These phenomena are occurred by licensing constraints saying that each of element I and element U must be head. In addition, it proved that the alteration of vowel system shown on from medieval Korean to contemporary Korean is occurred by phonological constraints affected by the change of licensing constraints followed not by vowel shift but by licensing of elements. And the vowel [?], which is shown on vowel insertion of language development, is interpreted phonetically with internal empty nucleus represented not by the insertion of vowel but by the failure of inter-onset government.
The forth chapter analyzed vowel harmony in a word. The vowel harmony in a word is mainly presented on ideophones and color words and it is caused by the production of words, which is created to make new word reflecting the division of nuance through changes of vowels. The underlying form of vowel harmony is so-called dark vowels form. And the harmony feature is the element A. The element A is first combined with first nucleus, which changes its vowel value and then this vowel harmony feature is spreaded onto other followed nucleus. This spread changes vowel of nucleus by strengthening element composition. The words, which do not have the division form by vowel harmony, are divided into two groups. One is for its representation to be registered on lexicon as the form of underlying representation. The other is not derived from underlying form because derived representation is semantically contradictory to underlying representation. In addition, this chapter discussed neutral vowel in vowel harmony inside a word. The neutral vowel /i/ functions as opaque vowel, and the vowel /?/ works as transparent one. There exists vowel /u/ which functions as neutral vowel, but it is proved that this /u/ is actually derived from medieval Korean /?/. Finally this chapter proved that the vowels which seem to be exception of vowel harmony basically exist based on the constraints of vowel harmony.
The fifth chapter discussed vowel harmony in verbal suffixations. It is caused by how much control the endings of final vowel in verb stems have, and it is proved that element A inside final vowel in verb stems functions as vowel harmony feature. The underlying form of endings which are changed by vowel harmony is vowel /?/. The vowel /?/ is represented with /a/ by the spread of vowel harmony feature element A in final vowel in verb stems. In case that verb stems end in vowel, there appears obligatory vowel harmony. It is also proved that the vowel which does not spread feature though they have vowel harmony feature, stop element I, on the head position in internal structure of vowel, from spreading element A. When a verb stem ends with empty nucleus, vowel harmony feature passes the empty nucleus, so that there happens weakening of spreading power of vowel harmony feature. Accordingly, if the spread of the vowel harmony feature does not reach its ending, the ending is represented with underlying form /?/. However, this phenomenon is limited to the case that the final vowel of verb stems is vowel /a/. And if it is vowel /o/ the spreading power is so strong that obligatory vowel harmony occurs. And this is caused by the difference of spreading power depending on internal structure of the two vowels. In case that a verb stem has /h/ on the final position, there exists obligatory vowel harmony, and that is because /h/ in verb stem has a different syllable structure from other consonants. Finally, the verbs, which seem to have superficially vowel ‘?’ on its basic form, actually have empty nucleus on their underlying forms, and in this case preceding vowels decide vowel harmony. And there are cases that there exist both domain internal and final empty nucleus continually. In these cases, there does not occur vowel harmony by restricting vowel harmony feature from spreading if domain internal empty nucleus is represented with [?] by being phonetically interpreted because it is not licensed even though there occurs vowel harmony in the opposite case.
This thesis discuss Korean segments system, syllable structure, and phonological phenomenon on the basis of the awareness that segments in the natural language do not consist fragmentarily but is connected with syllable structure factors as well as consists of meaningful factors of unitary features. Also, it shows the phonological constraints affecting appearance of phonological factors and phonological phenomena. In this, this thesis is worthful because it proved that the interpretation of nucleus becomes meaningfully phonological factor in Korean phonological phenomena.
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