The basic issue of philosophy advanced by Engels is the one of the relation between thinking and being, and therefore the philosophical problem is closely related to ontology.

• 恩格斯提出的哲学基本问题是关于思维与存在关系的问题 ,因此 ,哲学基本问题与本体论密切相关 ,主客体问题以及人与环境的关系问题取决于哲学基本问题。