Question 636251
I'll do the first few to get you going. Let me know if you need to see steps


a) A &#8745; B = <font color="red">{1,2}</font>
b) A U C = <font color="red">{1,2,3,4,5,6,7}</font>
c) B U C = <font color="red">{1,2,6,7}</font>
d) (A U B) &#8745; C = <font color="red">{6}</font>
e) A U (B U C) = <font color="red">{1,2,3,4,5,6,7}</font>
f) (A &#8745; B) &#8745; C
g) (A &#8745; B) U C