• 인문언어
• /
• 제2권2호
• /
• pp.301-319
• /
• 2002

In a recent paper, I have proposed an analysis concerning propositions and 'that'-clauses as a solution to Kripke's puzzle and other similar puzzles, which I now call 'the Indefinite Description Analysis of Belief Ascription Sentences.' I have listed some of the major advantages of this analysis besides its merit as a solution to the puzzles: it is amenable to the direct-reference theory of proper names; it does not nevertheless need to introduce Russellian (singular) propositions or any other new entities. David Lewis has constructed an interesting argument to refute this analysis. His argument seems to show that my analysis has an unwelcome consequence: if someone believes any proposition, then he or she should, ipso facto, believe any necessary (mathematical or logical) proposition (such as the proposition that 1 succeeds 0). In this paper, I argue that Lewis's argument does not pose a real threat to my analysis. All his argument shows is that we should not accept the assumption called 'the equivalence thesis': if two sentences are equivalent, then they express the same proposition. I argue that this thesis is already in trouble for independent reasons. Especially, I argue that if we accept the equivalence thesis then, even without my analysis, we can derive a sentence like 'Fred believes that 1 succeeds 0 and snow is white' from a sentence like 'Fred believes that snow is white.' The consequence mentioned above is not worse than this consequence.

• 정보관리연구
• /
• 제28권3호
• /
• pp.46-73
• /
• 1997

정보검색 시스템의 검색효율성을 높이기 위해 많은 나라에서 시소러스를 구축하여 이용하고 있다. 그러나 시소러스 구축에는 많은 시간과 비용은 물론 전문성이 요구된다. 그러므로 외국의 시소러스를 번역하여 자국어 시소러스를 구축하는 사례를 빈번하게 찾아 볼 수 있다. 이 방법을 채택하는 경우 짧은 시간에 시소러스를 구축할 수 있다는 장점은 있으나 언어적, 문화적 차이 때문에 의미상의 등가성과 의미관계를 나타내는 계층관계와 연관관계가 상호 일치하지 않는 부분이 있을 것으로 여겨진다. 그러므로 본 연구에서는 1977년에 발행된 "Thesaurus of ERIC descriptors(7th ed. 1977)" 제 7판과 이것을 대역하여 한국 교육개발원에서 발행한 "KEDI 교육시소러스(1981)"의 디스크립터들을 비교 연구하여 번역 시소러스의 구축방법에 대한 문제점을 규명하고자 하였다.

• Kyungpook Mathematical Journal
• /
• 제47권3호
• /
• pp.381-392
• /
• 2007

In 1906, da Rios, a student of Leivi-Civita, wrote a master's thesis modeling the motion of a vortex in a viscous fluid by the motion of a curve propagating in $R^3$, in the direction of its binormal with a speed equal to its curvature. Much later, in 1971 Hasimoto showed the equivalence of this system with the non-linear Schr$\ddot{o}$dinger equation (NLS) $$q_t=i(q_{ss}+\frac{1}{2}{\mid}q{\mid}^2q$$. In this paper, we use the same idea as Terng used in her lecture notes but different technique to extend the above relation to the case of $R^3$, and obtained an analogous equation that $$q_t=i[q_{ss}+(\frac{1}{2}{\mid}q{\mid}^2+1)q]$$.