Simplification of: AB + A'C + BC in boolean algebra












0












$begingroup$


I am trying to understand the simplification of the boolean expression:



AB + A'C + BC



I know it simplifies to



A'C + BC



And I understand why, but I cannot figure out how to perform the simplification through the expression using the boolean algebra identities. I was wondering if someone could show me the steps needed to do this. Thank you in advance.










share|cite|improve this question









$endgroup$












  • $begingroup$
    If you get stuck in the future, try Karnaugh maps. They can help to simplify complicated boolean expressions.
    $endgroup$
    – Cameron Williams
    Sep 5 '16 at 19:04










  • $begingroup$
    Thank you for the suggestion and I know how to use them I just still don't know how to come to the answer with equation simplification.
    $endgroup$
    – M. S.
    Sep 5 '16 at 22:12
















0












$begingroup$


I am trying to understand the simplification of the boolean expression:



AB + A'C + BC



I know it simplifies to



A'C + BC



And I understand why, but I cannot figure out how to perform the simplification through the expression using the boolean algebra identities. I was wondering if someone could show me the steps needed to do this. Thank you in advance.










share|cite|improve this question









$endgroup$












  • $begingroup$
    If you get stuck in the future, try Karnaugh maps. They can help to simplify complicated boolean expressions.
    $endgroup$
    – Cameron Williams
    Sep 5 '16 at 19:04










  • $begingroup$
    Thank you for the suggestion and I know how to use them I just still don't know how to come to the answer with equation simplification.
    $endgroup$
    – M. S.
    Sep 5 '16 at 22:12














0












0








0





$begingroup$


I am trying to understand the simplification of the boolean expression:



AB + A'C + BC



I know it simplifies to



A'C + BC



And I understand why, but I cannot figure out how to perform the simplification through the expression using the boolean algebra identities. I was wondering if someone could show me the steps needed to do this. Thank you in advance.










share|cite|improve this question









$endgroup$




I am trying to understand the simplification of the boolean expression:



AB + A'C + BC



I know it simplifies to



A'C + BC



And I understand why, but I cannot figure out how to perform the simplification through the expression using the boolean algebra identities. I was wondering if someone could show me the steps needed to do this. Thank you 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 Sep 5 '16 at 18:39









M. S.M. S.

1112




1112












  • $begingroup$
    If you get stuck in the future, try Karnaugh maps. They can help to simplify complicated boolean expressions.
    $endgroup$
    – Cameron Williams
    Sep 5 '16 at 19:04










  • $begingroup$
    Thank you for the suggestion and I know how to use them I just still don't know how to come to the answer with equation simplification.
    $endgroup$
    – M. S.
    Sep 5 '16 at 22:12


















  • $begingroup$
    If you get stuck in the future, try Karnaugh maps. They can help to simplify complicated boolean expressions.
    $endgroup$
    – Cameron Williams
    Sep 5 '16 at 19:04










  • $begingroup$
    Thank you for the suggestion and I know how to use them I just still don't know how to come to the answer with equation simplification.
    $endgroup$
    – M. S.
    Sep 5 '16 at 22:12
















$begingroup$
If you get stuck in the future, try Karnaugh maps. They can help to simplify complicated boolean expressions.
$endgroup$
– Cameron Williams
Sep 5 '16 at 19:04




$begingroup$
If you get stuck in the future, try Karnaugh maps. They can help to simplify complicated boolean expressions.
$endgroup$
– Cameron Williams
Sep 5 '16 at 19:04












$begingroup$
Thank you for the suggestion and I know how to use them I just still don't know how to come to the answer with equation simplification.
$endgroup$
– M. S.
Sep 5 '16 at 22:12




$begingroup$
Thank you for the suggestion and I know how to use them I just still don't know how to come to the answer with equation simplification.
$endgroup$
– M. S.
Sep 5 '16 at 22:12










4 Answers
4






active

oldest

votes


















2












$begingroup$

The two expressions are not equal. The first expression is true when A and B is true and C false but the second is false in this case.






share|cite|improve this answer









$endgroup$













  • $begingroup$
    I might be mistaken but I believe that both equations return true in that instance. Because if A is true and C is false then A'C is true. Meaning the whole second equation is true because it is an OR.
    $endgroup$
    – M. S.
    Sep 5 '16 at 22:05












  • $begingroup$
    just for clarification because my notation isn't that common the two equations are (AB) + (A*(¬C)) + (BC) and the other one is (A*(¬C)) + (B*C)
    $endgroup$
    – M. S.
    Sep 5 '16 at 22:08












  • $begingroup$
    Okay, yes then I understand. I thought you had negation on the variable to the left of your prime character. One way to arrive at the simplified expression is: $AB+A(neg C)+BC=AB(C+(neg C))+A(neg C)(B+(neg B))+BC(A+(neg A))=ABC+AB(neg C)+AB(neg C)+A(neg B)(neg C)+ABC+(neg A)BC=ABC+AB(neg C)+A(neg B)(neg C)+(neg A)BC=BC(A+(neg A))+A(neg C)(B+(neg B))=BC+A(neg C)$
    $endgroup$
    – laissez_faire
    Sep 6 '16 at 19:15










  • $begingroup$
    I know this is late, but thank you very much!
    $endgroup$
    – M. S.
    Nov 15 '16 at 2:59



















1












$begingroup$

begin{align*}
&mathrel{phantom{=}}AB+A'C+BC\
&=AB+A'C+BC(A+A') quad text{($A+A'=1$, Complementarity law)}\
&=AB+A'C+ABC+A'BC\
&=AB+ABC+A'C+ABC quad text{(Associative law)}\
&=AB+A'C quad text{(Absorption law)}
end{align*}






share|cite|improve this answer











$endgroup$





















    -1












    $begingroup$

    In this way , this can be simplified



                     LHS = AB+A'C+BC   
    = AB+A'C+BC (A+A') [ A+A'=1 ]
    = AB+A'C+ABC+A'BC
    = AB+ABC+A'C+A'BC
    = AB (1+C)+A'C (1+B)
    = AB+A'C [ 1+C=1 ]
    =RHS..





    share|cite|improve this answer









    $endgroup$













    • $begingroup$
      Please use Math Jax in order to produce beautiful and beautifully formatted mathematical texts.
      $endgroup$
      – Daniele Tampieri
      Jan 22 at 21:28



















    -2












    $begingroup$

    a.b+a'.c+b.c

    a.b+a'.c+b.c(a+a') {Complementary Law}

    a.b+a'.c+(a.b.c+a'.b.c)

    (a.b+a.b.c)+(a'.c+a'.c.b)

    a.b(1+c)+a'.c(1+b) {As 1+c=1 and 1+b=1}

    a.b+a'.c






    share|cite|improve this answer











    $endgroup$













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      4 Answers
      4






      active

      oldest

      votes








      4 Answers
      4






      active

      oldest

      votes









      active

      oldest

      votes






      active

      oldest

      votes









      2












      $begingroup$

      The two expressions are not equal. The first expression is true when A and B is true and C false but the second is false in this case.






      share|cite|improve this answer









      $endgroup$













      • $begingroup$
        I might be mistaken but I believe that both equations return true in that instance. Because if A is true and C is false then A'C is true. Meaning the whole second equation is true because it is an OR.
        $endgroup$
        – M. S.
        Sep 5 '16 at 22:05












      • $begingroup$
        just for clarification because my notation isn't that common the two equations are (AB) + (A*(¬C)) + (BC) and the other one is (A*(¬C)) + (B*C)
        $endgroup$
        – M. S.
        Sep 5 '16 at 22:08












      • $begingroup$
        Okay, yes then I understand. I thought you had negation on the variable to the left of your prime character. One way to arrive at the simplified expression is: $AB+A(neg C)+BC=AB(C+(neg C))+A(neg C)(B+(neg B))+BC(A+(neg A))=ABC+AB(neg C)+AB(neg C)+A(neg B)(neg C)+ABC+(neg A)BC=ABC+AB(neg C)+A(neg B)(neg C)+(neg A)BC=BC(A+(neg A))+A(neg C)(B+(neg B))=BC+A(neg C)$
        $endgroup$
        – laissez_faire
        Sep 6 '16 at 19:15










      • $begingroup$
        I know this is late, but thank you very much!
        $endgroup$
        – M. S.
        Nov 15 '16 at 2:59
















      2












      $begingroup$

      The two expressions are not equal. The first expression is true when A and B is true and C false but the second is false in this case.






      share|cite|improve this answer









      $endgroup$













      • $begingroup$
        I might be mistaken but I believe that both equations return true in that instance. Because if A is true and C is false then A'C is true. Meaning the whole second equation is true because it is an OR.
        $endgroup$
        – M. S.
        Sep 5 '16 at 22:05












      • $begingroup$
        just for clarification because my notation isn't that common the two equations are (AB) + (A*(¬C)) + (BC) and the other one is (A*(¬C)) + (B*C)
        $endgroup$
        – M. S.
        Sep 5 '16 at 22:08












      • $begingroup$
        Okay, yes then I understand. I thought you had negation on the variable to the left of your prime character. One way to arrive at the simplified expression is: $AB+A(neg C)+BC=AB(C+(neg C))+A(neg C)(B+(neg B))+BC(A+(neg A))=ABC+AB(neg C)+AB(neg C)+A(neg B)(neg C)+ABC+(neg A)BC=ABC+AB(neg C)+A(neg B)(neg C)+(neg A)BC=BC(A+(neg A))+A(neg C)(B+(neg B))=BC+A(neg C)$
        $endgroup$
        – laissez_faire
        Sep 6 '16 at 19:15










      • $begingroup$
        I know this is late, but thank you very much!
        $endgroup$
        – M. S.
        Nov 15 '16 at 2:59














      2












      2








      2





      $begingroup$

      The two expressions are not equal. The first expression is true when A and B is true and C false but the second is false in this case.






      share|cite|improve this answer









      $endgroup$



      The two expressions are not equal. The first expression is true when A and B is true and C false but the second is false in this case.







      share|cite|improve this answer












      share|cite|improve this answer



      share|cite|improve this answer










      answered Sep 5 '16 at 19:02









      laissez_fairelaissez_faire

      384




      384












      • $begingroup$
        I might be mistaken but I believe that both equations return true in that instance. Because if A is true and C is false then A'C is true. Meaning the whole second equation is true because it is an OR.
        $endgroup$
        – M. S.
        Sep 5 '16 at 22:05












      • $begingroup$
        just for clarification because my notation isn't that common the two equations are (AB) + (A*(¬C)) + (BC) and the other one is (A*(¬C)) + (B*C)
        $endgroup$
        – M. S.
        Sep 5 '16 at 22:08












      • $begingroup$
        Okay, yes then I understand. I thought you had negation on the variable to the left of your prime character. One way to arrive at the simplified expression is: $AB+A(neg C)+BC=AB(C+(neg C))+A(neg C)(B+(neg B))+BC(A+(neg A))=ABC+AB(neg C)+AB(neg C)+A(neg B)(neg C)+ABC+(neg A)BC=ABC+AB(neg C)+A(neg B)(neg C)+(neg A)BC=BC(A+(neg A))+A(neg C)(B+(neg B))=BC+A(neg C)$
        $endgroup$
        – laissez_faire
        Sep 6 '16 at 19:15










      • $begingroup$
        I know this is late, but thank you very much!
        $endgroup$
        – M. S.
        Nov 15 '16 at 2:59


















      • $begingroup$
        I might be mistaken but I believe that both equations return true in that instance. Because if A is true and C is false then A'C is true. Meaning the whole second equation is true because it is an OR.
        $endgroup$
        – M. S.
        Sep 5 '16 at 22:05












      • $begingroup$
        just for clarification because my notation isn't that common the two equations are (AB) + (A*(¬C)) + (BC) and the other one is (A*(¬C)) + (B*C)
        $endgroup$
        – M. S.
        Sep 5 '16 at 22:08












      • $begingroup$
        Okay, yes then I understand. I thought you had negation on the variable to the left of your prime character. One way to arrive at the simplified expression is: $AB+A(neg C)+BC=AB(C+(neg C))+A(neg C)(B+(neg B))+BC(A+(neg A))=ABC+AB(neg C)+AB(neg C)+A(neg B)(neg C)+ABC+(neg A)BC=ABC+AB(neg C)+A(neg B)(neg C)+(neg A)BC=BC(A+(neg A))+A(neg C)(B+(neg B))=BC+A(neg C)$
        $endgroup$
        – laissez_faire
        Sep 6 '16 at 19:15










      • $begingroup$
        I know this is late, but thank you very much!
        $endgroup$
        – M. S.
        Nov 15 '16 at 2:59
















      $begingroup$
      I might be mistaken but I believe that both equations return true in that instance. Because if A is true and C is false then A'C is true. Meaning the whole second equation is true because it is an OR.
      $endgroup$
      – M. S.
      Sep 5 '16 at 22:05






      $begingroup$
      I might be mistaken but I believe that both equations return true in that instance. Because if A is true and C is false then A'C is true. Meaning the whole second equation is true because it is an OR.
      $endgroup$
      – M. S.
      Sep 5 '16 at 22:05














      $begingroup$
      just for clarification because my notation isn't that common the two equations are (AB) + (A*(¬C)) + (BC) and the other one is (A*(¬C)) + (B*C)
      $endgroup$
      – M. S.
      Sep 5 '16 at 22:08






      $begingroup$
      just for clarification because my notation isn't that common the two equations are (AB) + (A*(¬C)) + (BC) and the other one is (A*(¬C)) + (B*C)
      $endgroup$
      – M. S.
      Sep 5 '16 at 22:08














      $begingroup$
      Okay, yes then I understand. I thought you had negation on the variable to the left of your prime character. One way to arrive at the simplified expression is: $AB+A(neg C)+BC=AB(C+(neg C))+A(neg C)(B+(neg B))+BC(A+(neg A))=ABC+AB(neg C)+AB(neg C)+A(neg B)(neg C)+ABC+(neg A)BC=ABC+AB(neg C)+A(neg B)(neg C)+(neg A)BC=BC(A+(neg A))+A(neg C)(B+(neg B))=BC+A(neg C)$
      $endgroup$
      – laissez_faire
      Sep 6 '16 at 19:15




      $begingroup$
      Okay, yes then I understand. I thought you had negation on the variable to the left of your prime character. One way to arrive at the simplified expression is: $AB+A(neg C)+BC=AB(C+(neg C))+A(neg C)(B+(neg B))+BC(A+(neg A))=ABC+AB(neg C)+AB(neg C)+A(neg B)(neg C)+ABC+(neg A)BC=ABC+AB(neg C)+A(neg B)(neg C)+(neg A)BC=BC(A+(neg A))+A(neg C)(B+(neg B))=BC+A(neg C)$
      $endgroup$
      – laissez_faire
      Sep 6 '16 at 19:15












      $begingroup$
      I know this is late, but thank you very much!
      $endgroup$
      – M. S.
      Nov 15 '16 at 2:59




      $begingroup$
      I know this is late, but thank you very much!
      $endgroup$
      – M. S.
      Nov 15 '16 at 2:59











      1












      $begingroup$

      begin{align*}
      &mathrel{phantom{=}}AB+A'C+BC\
      &=AB+A'C+BC(A+A') quad text{($A+A'=1$, Complementarity law)}\
      &=AB+A'C+ABC+A'BC\
      &=AB+ABC+A'C+ABC quad text{(Associative law)}\
      &=AB+A'C quad text{(Absorption law)}
      end{align*}






      share|cite|improve this answer











      $endgroup$


















        1












        $begingroup$

        begin{align*}
        &mathrel{phantom{=}}AB+A'C+BC\
        &=AB+A'C+BC(A+A') quad text{($A+A'=1$, Complementarity law)}\
        &=AB+A'C+ABC+A'BC\
        &=AB+ABC+A'C+ABC quad text{(Associative law)}\
        &=AB+A'C quad text{(Absorption law)}
        end{align*}






        share|cite|improve this answer











        $endgroup$
















          1












          1








          1





          $begingroup$

          begin{align*}
          &mathrel{phantom{=}}AB+A'C+BC\
          &=AB+A'C+BC(A+A') quad text{($A+A'=1$, Complementarity law)}\
          &=AB+A'C+ABC+A'BC\
          &=AB+ABC+A'C+ABC quad text{(Associative law)}\
          &=AB+A'C quad text{(Absorption law)}
          end{align*}






          share|cite|improve this answer











          $endgroup$



          begin{align*}
          &mathrel{phantom{=}}AB+A'C+BC\
          &=AB+A'C+BC(A+A') quad text{($A+A'=1$, Complementarity law)}\
          &=AB+A'C+ABC+A'BC\
          &=AB+ABC+A'C+ABC quad text{(Associative law)}\
          &=AB+A'C quad text{(Absorption law)}
          end{align*}







          share|cite|improve this answer














          share|cite|improve this answer



          share|cite|improve this answer








          edited Feb 12 '18 at 4:15









          Saad

          19.7k92352




          19.7k92352










          answered Feb 12 '18 at 3:52









          AnirbanAnirban

          111




          111























              -1












              $begingroup$

              In this way , this can be simplified



                               LHS = AB+A'C+BC   
              = AB+A'C+BC (A+A') [ A+A'=1 ]
              = AB+A'C+ABC+A'BC
              = AB+ABC+A'C+A'BC
              = AB (1+C)+A'C (1+B)
              = AB+A'C [ 1+C=1 ]
              =RHS..





              share|cite|improve this answer









              $endgroup$













              • $begingroup$
                Please use Math Jax in order to produce beautiful and beautifully formatted mathematical texts.
                $endgroup$
                – Daniele Tampieri
                Jan 22 at 21:28
















              -1












              $begingroup$

              In this way , this can be simplified



                               LHS = AB+A'C+BC   
              = AB+A'C+BC (A+A') [ A+A'=1 ]
              = AB+A'C+ABC+A'BC
              = AB+ABC+A'C+A'BC
              = AB (1+C)+A'C (1+B)
              = AB+A'C [ 1+C=1 ]
              =RHS..





              share|cite|improve this answer









              $endgroup$













              • $begingroup$
                Please use Math Jax in order to produce beautiful and beautifully formatted mathematical texts.
                $endgroup$
                – Daniele Tampieri
                Jan 22 at 21:28














              -1












              -1








              -1





              $begingroup$

              In this way , this can be simplified



                               LHS = AB+A'C+BC   
              = AB+A'C+BC (A+A') [ A+A'=1 ]
              = AB+A'C+ABC+A'BC
              = AB+ABC+A'C+A'BC
              = AB (1+C)+A'C (1+B)
              = AB+A'C [ 1+C=1 ]
              =RHS..





              share|cite|improve this answer









              $endgroup$



              In this way , this can be simplified



                               LHS = AB+A'C+BC   
              = AB+A'C+BC (A+A') [ A+A'=1 ]
              = AB+A'C+ABC+A'BC
              = AB+ABC+A'C+A'BC
              = AB (1+C)+A'C (1+B)
              = AB+A'C [ 1+C=1 ]
              =RHS..






              share|cite|improve this answer












              share|cite|improve this answer



              share|cite|improve this answer










              answered Aug 3 '17 at 12:58









              Priya yadavPriya yadav

              1




              1












              • $begingroup$
                Please use Math Jax in order to produce beautiful and beautifully formatted mathematical texts.
                $endgroup$
                – Daniele Tampieri
                Jan 22 at 21:28


















              • $begingroup$
                Please use Math Jax in order to produce beautiful and beautifully formatted mathematical texts.
                $endgroup$
                – Daniele Tampieri
                Jan 22 at 21:28
















              $begingroup$
              Please use Math Jax in order to produce beautiful and beautifully formatted mathematical texts.
              $endgroup$
              – Daniele Tampieri
              Jan 22 at 21:28




              $begingroup$
              Please use Math Jax in order to produce beautiful and beautifully formatted mathematical texts.
              $endgroup$
              – Daniele Tampieri
              Jan 22 at 21:28











              -2












              $begingroup$

              a.b+a'.c+b.c

              a.b+a'.c+b.c(a+a') {Complementary Law}

              a.b+a'.c+(a.b.c+a'.b.c)

              (a.b+a.b.c)+(a'.c+a'.c.b)

              a.b(1+c)+a'.c(1+b) {As 1+c=1 and 1+b=1}

              a.b+a'.c






              share|cite|improve this answer











              $endgroup$


















                -2












                $begingroup$

                a.b+a'.c+b.c

                a.b+a'.c+b.c(a+a') {Complementary Law}

                a.b+a'.c+(a.b.c+a'.b.c)

                (a.b+a.b.c)+(a'.c+a'.c.b)

                a.b(1+c)+a'.c(1+b) {As 1+c=1 and 1+b=1}

                a.b+a'.c






                share|cite|improve this answer











                $endgroup$
















                  -2












                  -2








                  -2





                  $begingroup$

                  a.b+a'.c+b.c

                  a.b+a'.c+b.c(a+a') {Complementary Law}

                  a.b+a'.c+(a.b.c+a'.b.c)

                  (a.b+a.b.c)+(a'.c+a'.c.b)

                  a.b(1+c)+a'.c(1+b) {As 1+c=1 and 1+b=1}

                  a.b+a'.c






                  share|cite|improve this answer











                  $endgroup$



                  a.b+a'.c+b.c

                  a.b+a'.c+b.c(a+a') {Complementary Law}

                  a.b+a'.c+(a.b.c+a'.b.c)

                  (a.b+a.b.c)+(a'.c+a'.c.b)

                  a.b(1+c)+a'.c(1+b) {As 1+c=1 and 1+b=1}

                  a.b+a'.c







                  share|cite|improve this answer














                  share|cite|improve this answer



                  share|cite|improve this answer








                  edited Jul 8 '18 at 10:00









                  Martin Sleziak

                  44.8k10119272




                  44.8k10119272










                  answered Jul 8 '18 at 3:17









                  aritra dasaritra das

                  11




                  11






























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