SOLUTION: Let U = {x│x is an American}
C = {x│x is a smoker}
D = {x│x has a health problem}
E = {x│x is a male}
Describe in words a member of each of the follow
Algebra.Com
Question 465832: Let U = {x│x is an American}
C = {x│x is a smoker}
D = {x│x has a health problem}
E = {x│x is a male}
Describe in words a member of each of the following:
(a) ¯C¯
(b) ¯C¯ ∩ ¯D¯
(c) C ∩ D
(d) D - C
(e) D U C
NOTE: U denotes “union” , ∩ denotes “intersection” and ¯ ¯ denotes “negation”,
for example, ¯ C¯ = is not a smoker
Stumped unable to start.
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
a) The set of all American non-smokers. 
b) The set of all American non-smokers who do not have any health problems.
c) The set of all American smokers who do have at least one health problem.
d) The set of all Americans who do have at least one health problem but do not smoke. This is a intersection of the complement of C with D.
BTW, the correct notation for this is a backslash rather than a minus sign, thus 
which is equivalent to 
e) The set of all Americans who either have at least on health problem, smoke, or both.
John
My calculator said it, I believe it, that settles it
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