A = {1,2,3,4,5,6,7,8,9}
R=(A1 x A1) U (A2 x A2) U (A3 x A3) U (A4 x A4)
Proof that R is only Relation that can Partition A like this:
A = {1,2,3} U {4} U {5,6,7} U {8,9}
Note that "U" means Union on Sets.
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fun95 wrote:A = {1,2,3,4,5,6,7,8,9}
R=(A1 x A1) U (A2 x A2) U (A3 x A3) U (A4 x A4)
Prove that R is only Relation that can Partition A like this:
A = {1,2,3} U {4} U {5,6,7} U {8,9}