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March 10th, 2011, 01:33 PM   #1
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Set Recursive Definitions

Please help me with the following question about unions and intersections:


Given sets A1,A2,A3,...., develop recursive definitions for

U from j=1 to k of Aj

and

Intersection from j=1 to k of Aj


Need to find and prove an extension of De Morgan's laws for these unions and intersections. Thank you in advance for the help!
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March 10th, 2011, 02:01 PM   #2
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Re: Set Recursive Definitions

Moved to Set Theory.
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March 12th, 2011, 05:44 AM   #3
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Re: Set Recursive Definitions

How do you add numbers a+b+c+d+...+k ?

Can you do the same thing with the union of sets?
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