设R是集合X={1,2,3,4,5,6}上的等价关系,R={(1,1),(1,5),(2,2),(2,3),(2,6),(3,2),(3,3),(3,6),(4,4),(5,1),
设R是集合X={1,2,3,4,5,6}上的等价关系,R={(1,1),(1,5),(2,2),(2,3),(2,6),(3,2),(3,3),(3,6),(4,4),(5,1),(5,5),(6,2),(6,3),(6,6)},求R的等价类.
等价类是:[1]={1,5},[2]={2,3,6},[3]={3,2,6},[4]={4},[5]={5,1},[6]={6,2,3}.