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Xi Jiaotong University-Discrete Mathematics online work Answer
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The connectivity between nodes in any undirected graph is (equivalence relation).

The bound range of quantifiers is called the scope of quantifiers.

N is natural number set, and ≤ is less than or equal to the relation, then (n, ≤) is (distributive lattice? )

The meaning of a set, b, c, the following statement is correct (? )

5. Suppose there are four elements in the set A, then the number of different equivalence relations on A is (? 15).

6. Answer: reflexivity, antisymmetry and transitivity.

7.? In algebraic system, the relationship between the whole ring and the domain is (the domain must be the whole ring).

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20 19-07-03 09:00:00 to 20 19-09-09 23:59:59

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