Question 143001This question is from textbook Survey of Math w/ Apllications 
:  Please help me solve this problem:
 
2.  (4 points) Write down all possible subsets of {a, b, c, d} 
This question is from textbook Survey of Math w/ Apllications 
 Answer by jim_thompson5910(35256)      (Show Source): 
You can  put this solution on YOUR website! Here are all of the possible subsets of {a,b,c,d}
 
 
{a,b,c,d}, 
{a,b,c},{a,b,d},{a,c,d},{b,c,d}, 
{a,b},{a,c},{a,d},{b,c},{b,d},{c,d}, 
{a},{b},{c},{d},{ }
 
 
note: the last set { } is the null set or the empty set 
 
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