Question: All the binary set operators we learned in the class are symmetric, except one. Identify the set operator that is not symmetric. ( a binary

All the binary set operators we learned in the class are symmetric, except one. Identify the set operator that is not symmetric.
(a binary set operator \geoquad is called symmetric if A \geoquad B = B \geoquad A for all universal sets U, and all subsets A,B of U.)

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