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merous other treatises attributed to Sun Tzu might be included. The fact that the HAN CHIH mentions no work of Sun Tzu except the 82 P`IEN, whereas the Sui and T`ang bibliographies give the titles of others in addition to the "13 chapters," is good proof, Pi I-hsun thinks, that all of these were contained in the 82 P`IEN. Without pinning our faith to the accuracy of details supplied by the WU YUEH CH`UN CH`IU, or admitting the genuineness of any of the treatises cited by Pi I-hsun, we may see in this theory a probable solution of the mystery. Between Ssu-ma Ch`ien and Pan Ku there was plenty of time for a luxuriant crop of forgeries to have grown up under the magic name of Sun Tzu, and the 82 P`IEN may very well represent a collected edition of these lumped together with the original work. It is also possible, though less likely, that some of them existed in the time of the earlier historian and were purposely ignored by him. [16]
Tu Mu's conjecture seems to be based on a passage which states: "Wei Wu Ti strung together Sun Wu's Art of War," which in turn may have resulted from a misunderstanding of the final words of Ts`ao King's preface. This, as Sun Hsing-yen points out, is only a modest way of saying that he made an explanatory paraphrase, or in other words, wrote a commentary on it. On the whole, this theory has met with very little acceptance. Thus, the SSU K`U CH`UAN SHU says: "The mention of the 13 chapters in the SHIH CHI shows that they were in existence before the HAN CHIH, and that latter accretions are not to be considered part of the original work. Tu Mu's assertion can certainly not be taken as proof."
There is every reason to suppose, then, that the 13 chapters existed in the time of Ssu-ma Ch`ien practically as we have them now. That the work was then well known he tells us in so many words. "Sun Tzu's 13 Chapters and Wu Ch`i's Art of War are the two books that people commonly refer to on the subject of military matters. Both of them are widely distributed, so I will not discuss the
