§ 2.3 Microscopic and Cosmic Introduction of Spatial Construction2.3.1 Definitions and Examples for IndivisiblesThe......

论述了二元关系R的自反、对称、传递、相容、半序与等价关系的闭包运算的有关性质,同时给出R的相容闭包、半序闭包与等价闭包.......