Discrete Mathematics for Computer Science - Spring 2005
Homework 7
Consider the relation f:Z -> Z, where f={(x,y) | x mod 3 = y mod 3}.
Is f a transitive relation? Is f a function?
Is it true that if (x,y) is in f, so is (y,x)?
Pages 333-349
18,22a
Pages 554-556
34,44
Page 575-576
20,22