Page:Sun Tzu on The art of war.djvu/172

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  1. 我可以往彼可以來者爲交地
  2. 諸侯之地三屬先至而得天下之衆者爲衢地

5. Ground on which each side has liberty of movement is open ground.

6. Ground which forms the key to three contiguous states, so that he who occupies it first has most of the Empire at his command, is ground of intersecting highways.