Abstract

“Liu Hui’s Commentary of the Chiu Chang Suan Shu” is the best commentary for the most important basic book in Chinese ancient mathematics, the Chiu Chang Suan Shu, and it contains large numbers of logical reasoning and logical ideas. Abundant logical ideas and logical contents in Chinese ancient mathematics were contained in Liu Hui’s Commentary. Based on analyzing the items in Liu Hui’s Commentary and relative ancient literatures, abundant logic contents in the Commentary and the logical contents in ancient mathematics were demonstrated from three angles including concept, logical method and symbolic logic in the article. The relations between calculation and proof, arithmetic and logic in ancient mathematics were also expounded in the article, and the conclusions showed that there was proof logic or arithmetic logic existing in the ancient times of China.

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