As 1+AB Now if I put A=0 & B=1 then the above expression gives the answer 1 Conversely if I put A=1 & B=0 then again the answer of above expression is 1 I've seen manly rules or laws to solve boolean algebra problems but I didn't see anyone like this so I'm not sure wether I'm right or wrong please guide me thanks in advance
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3Note that $True$ $or$ $something = True$. – trancelocation Dec 08 '18 at 05:44
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1Since $1+1 = 1$ and $1+0 = 1$ we must have $1+X = 1$ regardless of $X$. – copper.hat Dec 08 '18 at 05:46
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$1+A=1$ is called Annihilation or Dominance – Bram28 Dec 08 '18 at 05:48
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The law you are looking for is Annulment Law – Shubham Johri Dec 08 '18 at 10:00