Write short notes on: null set...

Write short notes on:
null set

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CHHAYA PUBLICATION-SET THEORY -Very short answer type questions

Distinguish : Union and intersection of two sets
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Distinguish : Subset and proper subset
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Distinguish : Union and difference of two sets
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Distinguish : Universal set and complement of a set
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Write short notes on: Power set
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Write short notes on: null set
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If A={a,b,c}, name the subsets of A,
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If A={a,b,c}, write the proper subsets of A.
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Define power set of a set A. Find the power set of A={{1},{2,3}}.
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If A={1,2,3,4},B={2,4,5,8} and C={3,4,5,6,7}, find A cupB
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If A={1,2,3,4},B={2,4,5,8} and C={3,4,5,6,7}, find B capC
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If A={1,2,3,4},B={2,4,5,8} and C={3,4,5,6,7}, find A cup(B cupC)
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If A={1,2,3,4},B={2,4,5,8} and C={3,4,5,6,7}, find A cup(BcapC).
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If P={a,b,c,d,e} and Q={a,e,i,o,u}, prove that P subPcupQ
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If P={a,b,c,d,e} and Q={a,e,i,o,u}, prove that PcapQ subP.
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If A subeB and B subeC," prove that "A subeC.
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If A cupB=B," show that, "A subeB.
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If A subeB," prove that, "A-B=phi.
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For any two sets A and B, if AcupB=A cap B, show that A=B.
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Represent the set in Roster form: A={(x,y):(x,y)"is the co ordinate ...
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