然而，从“一阴一阳谓之道”、从“易有太极，是生两仪”推演或推导出“两仪生四象”、“四象生八卦”这是有失严谨，是有误差的。
However , from " yin and Yang one that the people ", and " easy to Tai Chi of health unveiled the " war game or derived " unveiled four images and health "" four images health nosy " this is forsaking stringent , it is error .
两仪生四象