Relation appeas in higher algebra. They seem not relevant to each other, in fact, the relation is the development of mapping, and they are all expressed by set.
在众多关系中，二元关系是最基本的，下面从二元关系的角度出发，来探讨一下关系与映射。
Relation appeas in higher algebra. They seem not relevant to each other, in fact, the relation is the development of mapping, and they are all expressed by set.
在众多关系中，二元关系是最基本的，下面从二元关系的角度出发，来探讨一下关系与映射。
应用推荐