兵法 of which the “13 chapters” formed the first chüan , adding that there were two other chüan besides. 32 This has brought forth a theory, that the bulk of these 82 chapters consisted of other writings of Sun Tzǔ ⁠—we should call them apocryphal⁠—similar to the 問答 Wen Ta , of which a specimen dealing with the Nine Situations 33 is preserved in the 通典 Tʽung Tien , and another in Ho Shih’s commentary. It is suggested that before his interview with Ho Lu ,