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Proving of De Morgan Theorems (both) using Boolean Algebra??

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sayan822

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PostSubject: Proving of De Morgan Theorems (both) using Boolean Algebra?? Wed Mar 17, 2010 8:08 pm

is ne1 out der who can prove dt theorems??i hv one bt it bit complex..plz guyz help me out...
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saif
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PostSubject: Re: Proving of De Morgan Theorems (both) using Boolean Algebra?? Wed Mar 17, 2010 8:17 pm

for any boolEAN variable
a a'=1
a.a'=0

let p=A B
if de morgan law is true then p'=A'.B'

now if de morgan law is true the p and p' should obey the boolean laws

p p'=1
p.p'=0

substitute the value of p and prove the above using simple boolean algebra....



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Source:SUMITA ARORA
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PostSubject: Re: Proving of De Morgan Theorems (both) using Boolean Algebra?? Thu Mar 18, 2010 1:23 am

can we do it using Truth Tables...??? Shocked

aaaa....its easy tht way.. Wink
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anjanavr47
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PostSubject: Re: Proving of De Morgan Theorems (both) using Boolean Algebra?? Thu Mar 18, 2010 8:02 pm

@ saif
shouldn't it be
p=A+B
p'=A'.B' Question
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WinRrule
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PostSubject: Re: Proving of De Morgan Theorems (both) using Boolean Algebra?? Thu Mar 18, 2010 9:16 pm

If u hav sumita arora buk.. then its there..!
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