Mathematical Reflections on Acupoint Combinations in the Traditional Meridian Systems

Table 1

Intrinsic rules of the historical systems.

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Every meridian pairs with only one other

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Rotation symmetry of 30°, 60°, or 120°

6 pairs of meridians

Maximum of 2 alternating steps

6 yin/yang or 3 yin/yin and 3 yang/yang combinations

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