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Scope: 四庫未收書提要 |
Condition : References 「樂律全書」 |
Total 2 |
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1  | 明朱載堉撰。載堉,鄭恭王厚焥世子。所著《樂律全書》及《聖壽萬年書》等,已著錄。其律吕精義》內有據㮚氏為量內方尺而圜其外之文,謂圜徑卽方斜,命黃鍾正律為尺,而用句股法相求。此書蓋卽其意而推衍之。其所異者,正論則主縱黍,算經則主橫黍,其實亦互相發明也。首載算經答問,上卷先著圖說,次乃推明周徑容積相求之理。中卷由開方以及十二律通長面幕容積周徑,下卷則因旋宫而兼識琴調。大㫖謂聲生於器而以度定量,以量定權,必叅相得而後黃鍾之律可求。數學之妙出於天地自然,非由人力所能杜撰也。載堉學問,已詳於樂律全書提要之內,此則成於庚戌。在載堉二十三年進《律書》之後,成書較晩,足與前書相輔而行。兹本卷數與《明史·藝文志》及《千頃堂書目》所載相同,猶是原本。其設術皆得諸心解,固非空言無徵者所能及也。 |