And generate Rs reflexive closure, symmetric closure and transitive closure.
并且生成r的自反闭包、对称闭包和传递闭包。
Most transitive verbs can take a reflexive pronoun as object.
大部分及物动词可跟反身代词作宾语。
Recall that an equivalence relation in a set is a reflexive, symmetric and transitive relation.
记得，一个等价关系，提出了一套是自反，对称和传递关系。
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