Equivalence relations and partition exercise

183 Views Asked by At

I have been completely stuck on a exercise about partitions and equivalence. It goes like this

S = {1,2,3,4}
P = {{1},{2},{3,4}}
find an equivalencerelation ~ so that S/~ = P

Any help will be greatly appreciated :D thanks!

1

There are 1 best solutions below

0
On

$R={(1,1)(2,2)(3,3)(4,4)(3,4)(4,3)} $ try graphing this relation whit arrows (a graph) and you will se de equivalence relations gives you the partition you want