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Chunghyoung Lee
Pohang University of Science and Technology
  1. I Am Not the Zygote I Came from because a Different Singleton Could Have Come from It.Chunghyoung Lee - 2022 - Philosophical Review 131 (3):295-325.
    Many people believe that human beings begin to exist with the emergence of the 1-cell zygote at fertilization. I present a novel argument against this belief, one based on recently discovered facts about human embryo development. I first argue that a human zygote is developmentally plastic: A zygote that naturally develops into a singleton (i.e., develops into exactly one infant/adult without twinning) might have naturally developed into a numerically different singleton. From this, I derive the conclusion that a human infant (...)
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  2.  56
    The staccato roller coaster: a simple physical model of the staccato run.Chunghyoung Lee - 2013 - Synthese 190 (3):549-562.
    I present a simple model of Grünbaum’s staccato run in classical mechanics, the staccato roller coaster. It consists of a bead sliding on a frictionless wire shaped like a roller coaster track with infinitely many hills of diminishing size, each of which is a one-dimensional variant of the so-called Norton dome. The staccato roller coaster proves beyond doubt the dynamical (and hence logical) possibility of supertasks in classical mechanics if the Norton dome is a proper system of classical mechanics with (...)
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    Nonconservation of momentum in classical mechanics.Chunghyoung Lee - 2011 - Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 42 (1):68-73.
    Pérez Laraudogoitia (1996) presented an isolated system of infinitely many particles with infinite total mass whose total classical energy and momentum are not necessarily conserved in some particular inertial frame of reference. With a more generalized model Atkinson (2007) proved that a system of infinitely many balls with finite total mass may evolve so that its total classical energy and total relativistic energy and momentum are not conserved in any inertial frame of reference, and yet concluded that its total classical (...)
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  4.  28
    Metaphysics to the rescue?: Four‐dimensionalism and the twinning argument against conceptionism.Chunghyoung Lee - 2020 - Bioethics 34 (5):542-548.
    The view that human beings begin to exist at fertilization (namely conceptionism) faces a serious challenge from the twinning argument, that identical twins coming from the same zygote must be numerically distinct from the zygote and so did not exist at fertilization. Recently, some philosophers have claimed that the twinning argument rests on a particular metaphysical theory of persistence, namely endurantism, on which a human being, for example, is wholly present at every moment of her existence. And we can easily (...)
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  5. The Two-envelope Paradox: Asymmetrical Cases.Chunghyoung Lee - 2013 - Mind 122 (485):1-26.
    In the asymmetrical variant of the two-envelope paradox, the amount in envelope A is determined first, and then the amount in envelope B is determined to be either twice or half the amount in A by flipping a fair coin. Contra the common belief that B is preferable to A in this case, I show that the proposed arguments for this common belief all fail, and argue that B is not preferable to A if the expected values of the amounts (...)
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  6.  48
    Infinity and Newton’s Three Laws of Motion.Chunghyoung Lee - 2011 - Foundations of Physics 41 (12):1810-1828.
    It is shown that the following three common understandings of Newton’s laws of motion do not hold for systems of infinitely many components. First, Newton’s third law, or the law of action and reaction, is universally believed to imply that the total sum of internal forces in a system is always zero. Several examples are presented to show that this belief fails to hold for infinite systems. Second, two of these examples are of an infinitely divisible continuous body with finite (...)
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    Truth and Satisfaction in Chihara’s Model-theoretic Actualism.Chunghyoung Lee - 2022 - Cheolhak-Korean Journal of Philosophy 152:59-85.
    The Worlds of Possibility (1998)에서 찰스 치하라는 S5 양상 양화 논리에 대한 현실주의적 모형 이론 의미론을 제시한다. 치하라의 의미론은 단지 가능하기만한 대상이 존재한다는 가정을 수반하지 않기에 현실주의적이다. 본 논문은 치하라의 의미론의 핵심 개념인 참과 만족 개념에 대해 자세한 분석, 해석, 재정식화를 제시하여, 치하라의 의미론에 대해 제기될 수 있는 여러 문제들을 해결하고자 한다. 치하라의 의미론의 ‘참’ 술어가 단항이 아닌 이항 술어로 이해되어야 하고, 만족 개념은 의미 장치가 있는 준거점과 문장의 진리값이 평가되는 평가점에 상대화된 삼항 관계로 이해되어야 한다고 논증한다.
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    A Retrocausal Interpretation of Classical Collision Between Rigid Bodies.Chunghyoung Lee - 2020 - Foundations of Science 25 (3):559-571.
    When two bodies collide with each other, they change their motion. Many physics textbooks explain that the change in motion is caused by the force or impulse exerted on the body during the collision. This is not the whole story, I argue, in case the bodies are rigid. In this case, the change in motion cannot be causally explained solely by how the bodies are configured before and during the collision but instead should be explained partly by what happens after (...)
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    Simultaneity Relations Relative to Multiple Observers.Chunghyoung Lee - 2008 - Proceedings of the Xxii World Congress of Philosophy 43:101-107.
    I challenge the assumption in the debate on the conventionality of simultaneity that a simultaneity relation of special relativity should be defined relative to a single inertial observer, not relative to multiple inertial observers as such. I construct an example of a simultaneity relation relative to two inertial observers, and demonstrate that it is explicitly definable in terms of the causal connectibility relation and the world lines of the two observers. I argue that, consequently, thesimultaneity relation of special relativity is (...)
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