Problem

Define a relation R on the set of all integers by xRy iff x + y = 3k for some integer k....

Define a relation R on the set of all integers by xRy iff x + y = 3k for some integer k. ls R an equivalence relation on ? Why or why not?

Comparw with Define a relation R on the set of all integers by xRy iff x –y = 3k for some integer k. Verify that R is an equivalence relation and describe the equivalence class E5. How many distinct equivalence classes are there?

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Solutions For Problems in Chapter 2.6S

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