Literature refers to the art of using language to vividly reflect the objective reality, including drama, poetry, novels, essays and so on. It is an important manifestation of culture, which expresses inner feelings in different forms (called genres) and reproduces social life in a certain period and region.

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Mathematics is a subject that studies concepts such as quantity, structure, change and spatial model. By using abstract and logical reasoning, the shape and motion of objects are counted, calculated, measured and observed. Mathematicians have extended these concepts in order to express new conjectures with formulas and establish strictly deduced truths from properly selected axioms and definitions.

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Philosophy is a theoretical and systematic world outlook, a generalization and summary of knowledge of nature, social knowledge and thinking knowledge, and a unity of world outlook and methodology. It is the concrete existence and manifestation of social consciousness, and it is a social science in the form of pursuing the origin, essence, * * or absolute and ultimate metaphysics of the world, with the establishment of philosophical world outlook and methodology as its content.