Let C = {1,2,3,4} and D = {1, 2, 3, 4} then which of the following ho – McqOptions

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1.	Let C = {1,2,3,4} and D = {1, 2, 3, 4} then which of the following hold not true in this case?
A.	c â€“ d = d â€“ c
B.	c u d = c âˆ© d
C.	c âˆ© d = c â€“ d
D.	c â€“ d = Î¦
Answer» D. c â€“ d = Î¦

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