• Journal for History of Mathematics
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• v.22 no.4
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• pp.29-40
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• 2009

we know that Zeng Cheng Kai Fang Fa is the generalization of the method of square roots and cube roots of ancient through the investigation of China mathematics. In this paper, we have research on traditional solutions equations of China mathematics and the development solutions of equations used by Chosun mathematicians.

• Journal of Physiology & Pathology in Korean Medicine
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• v.30 no.1
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• pp.7-13
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• 2016

In order to understand correctly about Shanhanlun, the intension of the author from the preface must be definitely understood. Compared the preface of Shanghanzubinlun with the prefaces of other commentaries, figuring out the contents. The preface of Shanghanlun describes the time period and the production background of Shanghanlun. The publish of Shanhanlun is related to outbreak of epidemic, which is related to the war, rebellions, and the secure of trade route from west to east. The episode of Pianque in the preface is the example of the diagnosis in general, and it has connection with the four ways of diagnosis (inspection, listening & smelling, inquiring and palpation) in the last part of the preface. Shanghanzubinglun is influenced by Taoism, which is the ideology behind Huangdineijing and Shennongbencaojing. Zhang Zhongjing had studied deeply about fangshu.

• Journal of the Daesoon Academy of Sciences
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• v.36
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• pp.201-225
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• 2020

In the late Joseon Dynasty, ideas in folk religions were closely related to Daoist themes. There were, for instance, folk ideas centered on Prophecies of Jeong Gam (鄭鑑錄 jeonggamrok) that developed into 'raising island-armies (海島起兵說 hado gibyeongseol),' the future utopian movement known as the 'South Joseon Faith (南朝鮮信仰 namjoseon sinang),' and faith around 'Maitreya's Descensionist-Birth (彌勒下生 mireuk hasaeng).' People aimed to transform their country based on these ideas. Associated folklore tended to come from fengshui (風水) and books on prophecies and divination (圖讖 docham), and both of these drew heavily upon Daoist concepts. On the other hand, Daoist texts began being translated as national projects under King Cheoljong (哲宗), and many more were translated and published later under King Gojong (高宗). The nature of these Daoist texts mostly consisted of either morality books (善書 seonseo) or precious scrolls (寶卷 bogeon). The problem was that these ordinances and the Daoist texts of regents were among the main causes of civil war during the Qing Dynasty. In this regard, the translation of the Daoist texts conducted as a national project provided a theoretical basis for the people wishing to foment civil war or transformation. This raises the question of why King Gojong implemented a Daoist translation project in his nation. In an effort to answer this question, this article summarizes the popular ideas of the late Joseon Dynasty and explains how they were closely related to Daoism. In addition, this article summarizes the facts about how Daoism has emerged from a national crisis but developed a function of protecting the state (鎭護) in Korean history. Further described is the situation under which Daoism was summoned during the Japanese Invasion of Joseon (壬辰倭亂). Analysis is provided to show that King Gojong's intention was to translate Daoism due to Daoism's role in protecting the state. In addition, the relationship between current Daoist rites and customs in Korea and King Gojong's dissemination of Daoist oaths and vouchers is confirmed.

• The Journal of Korean Philosophical History
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• no.43
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• pp.9-32
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• 2014

Until now, the studies researching the Taoism theories of Joseon Dynasty have mainly dealt around the latter half of Joseon Dynasty. The reason for that was because the 5 cribs of a book Lao Tzu and the 2 crib of a book Changzi were produced after the Imjin-Year Korean-Japanese War(壬辰倭亂,Imjin Waeran). Therefore this thesis extracted the mentions about Taoism from about 200-year history records from Jeong Do-Jeon's Theory, which was the theoretical foundation for early days of Joseon's foundation and the history book King Taejong's Annals(太宗實錄) contained in The Annals of Joseon Dynasty(朝鮮王朝實 錄) and analyzed the extracted historic data as the first work contemplating how the Taoism theories were developed during the first half of Joseon Dynasty. From the analysis, this study drew out the findings as follows. Jeong Do-Jeon and Gwon Geun sharply criticized the Taoism for that it pursued for the techniques of longevity for oneself without moral. They tried to establish the identity of neo-Confucianism on the foundation criticizing the Taoism and the Buddhism. Since then, the Taoism was transformed through the 3 stages in The Annals of Joseon Dynasty. The first stage was the stage transformed 'Lao Tzu' as the witchcraft master of long-live, the technique of the taoist hermit and the super god in Taoism, and regarded the Taoism as heresy and excluded the Taoism. Second stage was the stage trying to see the book Lao Tzu as the core of Taoism theory separately from the 'Hermit Witchcraft' and the 'Taoist gods' the target of fortune-pursue religion beyond from the primary discussion of exclusion. Third stage was revealed as the respects on the art of politics and the art of living described in the book Lao Tzu. That is, the Taoism theories in the first half of Joseon Dynasty was developed with various spectrums from the early days of Joseon's foundation to 15~16 centuries beyond Joseon's strong suppression against the Taoism and the Buddhism in early days. That is the point that the Taoism in the first half of Joseon Dynasty can't be simply interpreted in the neo-Confucianism. During the firs half of Joseon Dynasty, the warm attitude toward the Taoism was created differently from the attitude against suppressing it as a cult, which had been created in the early days of Josen's foundation, and there appeared the changes accepting the art of living and the art of politics theoretically integrating with the Confucianism theories. That is, the book 'Lao Tus' became accepted as the Confucian country's arts of living and politics from a cult book pursuing for immoral log and immortal life. Such acception is revealed as the appearance actively interpreting the books about Laoism in the latter half o Joseon Dynasty.