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anonymous
 4 years ago
What are the Equivalence Classes of {1,2,3,4} with the relation being x U {2,3}?
anonymous
 4 years ago
What are the Equivalence Classes of {1,2,3,4} with the relation being x U {2,3}?

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anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0I think I've got 4 classes. Are the elements {2},{3},{2,3} in one class. And is the empty set {} part of that class? Thanks.

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0so relation is x U {2,3} and the equivalence classes should be disjoint.

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0\[{}\cup \{2,3\}=\{2,3\}\] so yes it is there

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0i guess there are 3 others. {1},{1,2},{1,3},{1,2,3} is one then {4},{2,4},{3,4}, {2,3,4} {1,4} {1,2,4}, {1,3,4},{1,2,3,4}
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