1+AB=1 using boolean algebra ? Am I right or not?












0












$begingroup$


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










share|cite|improve this question









$endgroup$








  • 3




    $begingroup$
    Note that $True$ $or$ $something = True$.
    $endgroup$
    – trancelocation
    Dec 8 '18 at 5:44






  • 1




    $begingroup$
    Since $1+1 = 1$ and $1+0 = 1$ we must have $1+X = 1$ regardless of $X$.
    $endgroup$
    – copper.hat
    Dec 8 '18 at 5:46










  • $begingroup$
    $1+A=1$ is called Annihilation or Dominance
    $endgroup$
    – Bram28
    Dec 8 '18 at 5:48










  • $begingroup$
    The law you are looking for is Annulment Law
    $endgroup$
    – Shubham Johri
    Dec 8 '18 at 10:00
















0












$begingroup$


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










share|cite|improve this question









$endgroup$








  • 3




    $begingroup$
    Note that $True$ $or$ $something = True$.
    $endgroup$
    – trancelocation
    Dec 8 '18 at 5:44






  • 1




    $begingroup$
    Since $1+1 = 1$ and $1+0 = 1$ we must have $1+X = 1$ regardless of $X$.
    $endgroup$
    – copper.hat
    Dec 8 '18 at 5:46










  • $begingroup$
    $1+A=1$ is called Annihilation or Dominance
    $endgroup$
    – Bram28
    Dec 8 '18 at 5:48










  • $begingroup$
    The law you are looking for is Annulment Law
    $endgroup$
    – Shubham Johri
    Dec 8 '18 at 10:00














0












0








0





$begingroup$


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










share|cite|improve this question









$endgroup$




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







boolean-algebra






share|cite|improve this question













share|cite|improve this question











share|cite|improve this question




share|cite|improve this question










asked Dec 8 '18 at 5:37









Diana JosephDiana Joseph

11




11








  • 3




    $begingroup$
    Note that $True$ $or$ $something = True$.
    $endgroup$
    – trancelocation
    Dec 8 '18 at 5:44






  • 1




    $begingroup$
    Since $1+1 = 1$ and $1+0 = 1$ we must have $1+X = 1$ regardless of $X$.
    $endgroup$
    – copper.hat
    Dec 8 '18 at 5:46










  • $begingroup$
    $1+A=1$ is called Annihilation or Dominance
    $endgroup$
    – Bram28
    Dec 8 '18 at 5:48










  • $begingroup$
    The law you are looking for is Annulment Law
    $endgroup$
    – Shubham Johri
    Dec 8 '18 at 10:00














  • 3




    $begingroup$
    Note that $True$ $or$ $something = True$.
    $endgroup$
    – trancelocation
    Dec 8 '18 at 5:44






  • 1




    $begingroup$
    Since $1+1 = 1$ and $1+0 = 1$ we must have $1+X = 1$ regardless of $X$.
    $endgroup$
    – copper.hat
    Dec 8 '18 at 5:46










  • $begingroup$
    $1+A=1$ is called Annihilation or Dominance
    $endgroup$
    – Bram28
    Dec 8 '18 at 5:48










  • $begingroup$
    The law you are looking for is Annulment Law
    $endgroup$
    – Shubham Johri
    Dec 8 '18 at 10:00








3




3




$begingroup$
Note that $True$ $or$ $something = True$.
$endgroup$
– trancelocation
Dec 8 '18 at 5:44




$begingroup$
Note that $True$ $or$ $something = True$.
$endgroup$
– trancelocation
Dec 8 '18 at 5:44




1




1




$begingroup$
Since $1+1 = 1$ and $1+0 = 1$ we must have $1+X = 1$ regardless of $X$.
$endgroup$
– copper.hat
Dec 8 '18 at 5:46




$begingroup$
Since $1+1 = 1$ and $1+0 = 1$ we must have $1+X = 1$ regardless of $X$.
$endgroup$
– copper.hat
Dec 8 '18 at 5:46












$begingroup$
$1+A=1$ is called Annihilation or Dominance
$endgroup$
– Bram28
Dec 8 '18 at 5:48




$begingroup$
$1+A=1$ is called Annihilation or Dominance
$endgroup$
– Bram28
Dec 8 '18 at 5:48












$begingroup$
The law you are looking for is Annulment Law
$endgroup$
– Shubham Johri
Dec 8 '18 at 10:00




$begingroup$
The law you are looking for is Annulment Law
$endgroup$
– Shubham Johri
Dec 8 '18 at 10:00










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