Marxism is a scientific theory for the proletariat to strive for the free liberation of all mankind, and it is a theory about the nature, purpose and liberation conditions of the proletarian struggle. It is the scientific world outlook and methodology of the proletariat, a theory about the universal laws of the development of nature, society and thinking, a universal theory about the development and transformation of capitalism to socialism and the development of socialism and capitalism, a scientific system composed of a series of basic theories, viewpoints and methods, and a complete whole.

Second, the basic principles of philosophy

1, the world is universal and eternal development (the general characteristics of materialist dialectics)

2. The law of unity of opposites, the law of negation and the law of mutual change of quality (three laws)

Third, the principle of world material unity.

The origin of the world is material, and the world is unified, that is, the origin of the world is one; The unity of the world lies in its materiality, that is, the basis of world unity is matter; The unity of the material world is the unity of diversity, not a single undifferentiated unity. The material unity of the world is based on the difference and diversity of concrete material forms, which are based on their objective reality.

Four or three laws

Law of unity of opposites

The law of unity of opposites reveals the source and motive force of the development of things, and is the essence and core of materialist dialectics.

The meaning of contradiction. Contradiction is the driving force of the development of things. The identity and struggle of contradiction and its role in the development of things. The internal and external causes of the development of things. Universality and particularity of contradiction and their relationship.

Principal contradiction and non-principal contradiction, principal and non-principal aspects of contradiction. Adhere to the unity of "two-point theory" and "key theory"

Contradiction analysis is the fundamental method of materialist dialectics. The concrete analysis of concrete problems is the living soul of Marxism.

Law of quantitative change and qualitative change

The laws of quantitative change and qualitative change reveal the form and state of the development of things.

Everything is the unity of quality and quantity. Quality, quantity and degree. Grasp the significance of the principle of moderation.

The meaning and basic form of quantitative change and qualitative change. The relationship between quantitative change and qualitative change.

law of the negation of negation

The law of negation of negation reveals the direction and road of the development of things.

Positive and negative factors in the development of things. Dialectical negation and metaphysical negation. The negation of negation. The gradual and stumbling development of things. The essence of development is the emergence of new things and the demise of old things.