Question 391742: Is A=(a,b,c,d) and B=(a,c), find a set C such that A intersection C = B. Is C unique?
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Found 2 solutions by jim_thompson5910, richard1234:
Answer by jim_thompson5910(35256)   (Show Source):
You can put this solution on YOUR website! The only requirements of set C to make  is that set C must have the elements 'a' and 'c' (since set A has these two elements as well). Other than that, set C can have ANYTHING else.
So for instance, one such set could be
C = {a,b,c,e}
or it could be
C = {a,c,r,q}
or it could be
C = {a,b,c,w,x,y,z}
And it goes on. It doesn't matter as long as 'a' and 'c' are in there. So this means that C is NOT unique.
If you need more help, email me at jim_thompson5910@hotmail.com
Also, feel free to check out my tutoring website
Jim
Answer by richard1234(7193)  (Show Source):
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