We will be concerned primarily with bijective proofs, i.e., showing that two sets have the same number of elements by exhibiting a bijection (one-to-one correspondence) between them.
我们主要关心
是对射
，也就是透过在两个集合间建立
个对射（对且映成函数）来它们元素个数相等。
词条纠错
X
bijection
n. 双向单射,双射
声
：
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相似单词
bihourly, biindolyl, biindoxyl, biindyl, bijar, bijection, bijective, bijou, bijouterie, bijoux,
译
