Phil 322: Modal Logic Homework 5, Friday, November 30; Prove

Phil 322modal Logichomework 5friday November 301 Prove The Principl

Phil 322—Modal Logic Homework 5 Friday, November . Prove the principle of replacement for LPC: Theorem 0.1 (Principle of Replacement). Let α be any wff, x and y any variables, 〈D,V 〉 any model, and µ any assignment. Then, where Ï is just like µ except that Ï(x) = µ(y), then VÏ(α) = Vµ(α[y/x]). 2.

Prove the principle of agreement for LPC: Theorem 0.2 (Principle of Agreement). If µ and Ï are two assignments that agree on all the free variables in a formula α, then Vµ(α) = VÏ(α). 3. Assuming constant domain semantics, for each formula give a validity proof if it is valid and a countermodel if it is invalid. Indicate whether and how the formulas status would change with varying domains. a. ♦∀xFx → ∃x♦Fx b. ∀x(Fx → Gx) → (∀xFx → ∀xGx) c. ∀x(Fx ∨ Gx) → ∀x(Fx ∨ Gx) d. ♦∀xFx → ∃x♦Fx e. (∀x(Fx → Gx) ∧ ♦√xFx) → ♦√xGx f. ∃x♦Rzx → ♦√x√yRxy 1 Unit 3, Korea Prelude: outline of (some of) Korean History and Aesthetics 668 CE - 935 Unified Silla Goryeo Joseon (current name of NK) Korean Empire, "Dae-Han-Je-Guk" (Great Korean Empire) Japanese colonial era 1919 Sam-il (3.1) Movement, Declaration of a Provisional Goverment in Shanghai, DRK ("Dae- Han-Min-Guk") (Democratic Republic of Korea) 1945 National division into Republic of K (S) and DPRK 1945-8 American occupation of South Korea .25 War (Korean War) 1987 Direct election system installed in South Korea Key points covered: 1.

Accrual of religions—shamanism, Buddhism, Confucianism 2. Fealty relation (sadae) to Chinese Emperor 3. (a) relative stability until 1910 (b) turbulent modernity 4. Importance of regional traditions central northwestern stylistic area southwestern jeju eastern Shamanism , folk styles Overarching aesthetic principles 1. Flexibility (allows for) Personal style Response to social world Improvisation “The changing sameâ€: traditions of change 2. “Rough Beauty†(Stylized naturalness) 3. “Living Tonesâ€: pitch bending timbral, dynamic variety 4. Transformation Sorrow to joy Isolation to collectivity Paralysis to competence Illness to health, etc. “Jindo arirang†(SW folk song) Ari-arirang Sseu-di sseu-dirang Arari gana ne~he Arirang hmm hmm hmm Arari ga nan-ne 3.1—folk song Tosok and tongsok minyo (local and popular folk songs) Tosok minyo (local folksongs) Work Vending Lullabies (jajangga) Mourning (cry--song) Self-narration/spieling (speech--song) Shinsae taryeong (Ballad of Woe) Heunggeul sori Sijip sali Song, language, crying, laughter Origins of tongsok minyo (widespread folk songs): NOT COVERED Folk work song Play song Shamanist song Professionalized folk song Popularization Radio, namsadang, pansorikkun, gisaeng’s (courtesan’s) role in popularization Versions and multiple traditions “Changbu Taryeong†(Ballad of the Entertainer [Spirit]) Shamanist song àž àž àž àž (multiple versions) àŸ popular folk songàž àž àž (multiple versions) àŸ àŸ professionalized folk song àž àž àž àž (fewer, but still versions) Personal stylistic variation (ex: refrain of “Changbu Taryeong†[Ballad of the Entertainer]) 아니~ Ani~ 아니노지는못하리ë¼. 아니~디디디, 아디디당당당다~ Ani~dididi, a dididang dang dang da~ 아니노지는못하리ë¼. A--ni no-ji-neun mot-a-ri-ra! 얼씨구나좋다참ë§ë¡œì¢‹ë„¤ Ul-shi-gu-na jot-ta, cham-mal-lo jot-ne 아니노지는못하리ë¼. A--ni no-ji-neun mot-a-ri-ra! Yun Sunman Kim Sundeok Kim Sundeok “Ballad of the Entertainer†(倡夫打令): “Liberation Song†(解放æŒ) (Refrain) Oh, we’ve got to have fun while we can. August fifteenth was our land’s liberation day Every house flew the flag; on every street people shouting “만세, 만세†(è¬æ², è¬æ²) !!

Hooray, hooray! Hooray for independence, our land is free! Don’t trust the Americans or be suckered by the Soviets; Hasten the reunion of our North and South, build up our land— I want to live for a trillion years!†“I want to live for a trillion years!†Yun Sunman’s “Ballad of the Entertainer†(倡夫打令): “Liberation Song†(解放æŒ) “Song of the War†(æˆ°çˆæŒ)etc. Oh, we’ve got to have fun while we can. I was taken as “military supplies†for ten years and didn’t know if I could get back.

At liberation on the 15th of August 1941 (sic) I took a ferry to Busan And on the way up to Seoul I took the Gyeongbu line. ...When I came back to Seoul... The flag was flying here and there, And from every house, came the sound “만세, 만세†(è¬æ², è¬æ²) !!, and it was so wonderful... (continued) Then why did this wretched 6.25 war (the Korean War) happen? …I/we took the big kids by the hand, carrying the little ones piggyback, put our aged mother in front and walked behind on the railroad track The bombs exploded over our heads and sudden showers poured down Our stomachs caved in, the children cried for food We took shelter in a shack in Busan Harbor The shack leaked and water flowed like the Han River There wasn’t even a single thing to eat Tears flowed and became the water of the Han River and we didn’t know how we could live Went back to Seoul and they built railroad tracks They built subway stations, they built expressways Oh, as I live on 5 1 m3-2 4 (Folk version of gyemyeonjo melodic mode, Southwestern Korea) 1 m3-2 crying gok (musical crying) “Ballad of Woe†Folksong full scale, octaves, etc.

Song and transformation in everyday life *The procession from crying to singing is a procession from social paralysis to social competence, From uncontrollable emotion to disciplined emotion, And sometimes from grief to joy The National Gugak (national music) Center founded 1951 for elite genres Folk song begins to be admitted in 70s • The canonization of traditional music and folk singing • Standardization • Western music notation • ‘classicization’ (borrowing from elite genres in the search for status) Please answer all these questions in the essay. · What are the motives of official traditional Korean musical practice? What does this practice aim to achieve? What is the role of improvisation in this practice?

What is the role of personal style in this practice? • What are the motives of unofficial traditional Korean musical practice? What does this practice aim to achieve? What is the role of improvisation in this practice? What is the role of personal style in this practice? • What is the outcome or result of a fixed version of 'tradition' like that of the Korean state? • How does this rigid attitude toward the past create a paradox (i.e., a seemingly absurd or self-contradictory statement or proposition that when investigated or explained may prove to be well-founded) 2-3 pages. 12-pt font, double spaced.

Paper For Above instruction

The dichotomy between official and unofficial Korean traditional music practices highlights contrasting motives, functions, and artistic philosophies that shape their performances and societal roles. Official Korean musical practices, often institutionalized and subjected to state canonization, aim to preserve a standardized, idealized version of tradition that embodies national identity and cultural heritage. These practices serve political and ideological objectives, emphasizing the perpetuation of shared cultural values, fostering national pride, and constructing a unified cultural narrative. The aesthetic principles often prioritize stylized naturalness and “rough beauty,” which reflect a desire to maintain a sense of authenticity amid modernization efforts (Killick, 2009, p. 809).

In these official practices, improvisation retains a limited role, serving mainly as a controlled expressive element within predetermined frameworks. Personal stylistic variation is usually discouraged to uphold the stability, uniformity, and official image of the tradition. This standardization aims to create a “fixed” version of tradition that resists change, facilitating the preservation of cultural symbols deemed significant by the state. However, this rigidity paradoxically constrains the dynamic, evolving nature of folk expressions, introducing a tension between tradition as living practice and tradition as institutionalized canon.

In contrast, unofficial Korean musical practices are characterized by their flexibility, responsiveness to social conditions, and prolific improvisation. These practices aim to serve individual, community, and social functions—such as expressing personal feelings, responding to immediate life circumstances, or maintaining local identity. Improvisation and personal style are central, allowing for spontaneous variation and adaptation that reflect the diverse social realities of performers and audiences (Killick, 2009, p. 810). In these contexts, the purpose is not merely preservation but active engagement and innovation, emphasizing the fluid boundaries of tradition and encouraging personal artistic expression.

The outcome of the state-enforced fixed version of tradition often leads to cultural homogenization, loss of local diversity, and reduced spontaneity in musical expression. This can generate a paradox: while the official practice claims to preserve authentic tradition, it ultimately limits the live, improvisatory essence that characterizes folk music’s vitality. The paradox lies in the effort to fix tradition as a static cultural artifact, which in doing so, paradoxically diminishes its authenticity and adaptability—the core qualities that sustain folk traditions over time. Consequently, the rigid attitude toward the past produces a contradiction: it attempts to safeguard tradition, yet in doing so, often erodes its living, evolving character, revealing the complex interplay between cultural preservation and change.

References

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