清华大学藏战国简中有一种详述解卦理论的筮书,整理者题之为《筮法》。简文前半篇根据占问的事项分类列举了许多卦例并进行解说,后半篇则阐释了该书分析卦例的一些基本原则。至于其中的数字卦卦例如何占得,简文并没有具体描述,只是在篇末进行了简短说明:各当其卦,乃扐占之,占之必扐,卦乃不忒。 There is a book detailing the theory of hexagrams in the book of warring states in Tsinghua University. The first half of the article lists a lot of hexagrams based on the classified questions and explains them. The second half explains some basic principles of the book in analyzing the hexagrams. As for the number of hexagrams, for example, how to account for it, there is no specific description of the essay, but at the end there is a brief explanation: each its hexagrams, it is occupied, accounting for the inevitable, hexagrams not Intuit.