Yin and yang viewed as parts of an oneness that is expressed in the Tao. The term "dualistic-monism" or dialectical monism has been coined in an attempt to express this fruitful paradox of simultaneous unity and duality. Yin and yang can be thought of as complementary (rather than opposing) forces that interact to form a dynamic system in which the whole is greater than the assembled parts. According to this philosophy, everything has both yin and yang aspects (for instance, shadow cannot exist without light). Either of the two major aspects may manifest more strongly in a particular object, depending on the criterion
Taoism in Japan "yang", the "Ommyokan", to handle affairs of time keeping, astronomy, dream interpretation and calendar calculation and "yin-yang" and the Five Phases cosmology. By the 10th century, it developed with rituals to cast away unlucky tendencies and this became known as the religious practice in Japan called "inyodo" or "yin-yang" divination. Taoism also influenced "Shugendo", Japan’s shamanistic and mountain worship. It began in the 7th century and combined Buddhism, "yin-yang" divination, Shinto and Taoist elements. One spell of Taoistic influence is the “Come down, soldiers and fighters, and line up before me!” which is used to enter a holy mountain on