The School of Yin-Yang, also known as the Yin-Yang School, is a Chinese philosophical tradition that emerged during the Warring States period in ancient China. It is based on the concept of duality, which is the idea that everything in the universe is made up of two opposing forces - yin and yang. This concept is central to the School of Yin-Yang and is viewed in a unique way that differs from other philosophical traditions.

In the School of Yin-Yang, duality is seen as a fundamental principle of the universe, and it is believed that all things are composed of both yin and yang energies. These energies are constantly interacting and balancing each other, creating a harmonious and dynamic existence. Yin is associated with feminine, passive, dark, and cold qualities, while yang is associated with masculine, active, light, and warm qualities. These two forces are seen as complementary and necessary for the existence of the universe.

The School of Yin-Yang also views duality as a cyclical process, where yin and yang energies are constantly transforming into each other. This can be seen in the symbol of yin and yang, which depicts two halves - one black and one white - merging together to form a whole. This symbol also represents the idea that within yin, there is always a bit of yang, and within yang, there is always a bit of yin, emphasizing the interconnectedness and interdependence of these two forces.

Furthermore, the School of Yin-Yang does not view yin and yang as absolute opposites, but rather as complementary and interdependent aspects of a whole. This is in contrast to other philosophical traditions that see duality as a struggle between good and evil or light and darkness. In the School of Yin-Yang, both yin and yang are necessary for balance and harmony, and the goal is not to eliminate one force but to maintain a harmonious balance between them.

In summary, the School of Yin-Yang views the concept of duality as a fundamental principle of the universe, where yin and yang energies are constantly interacting and transforming into each other. It sees duality as a cyclical process and emphasizes the complementary and interdependent nature of yin and yang. This unique perspective on duality has had a profound influence on Chinese philosophy, medicine, and culture, and continues to be a significant aspect of Chinese thought today.