Re: Chap 1 Slide 19: Simplifications of the canonical representation

Posted by Bahanet on
URL: http://nand2tetris-questions-and-answers-forum.52.s1.nabble.com/Chap-1-Slide-19-Simplifications-of-the-canonical-representation-tp4032566p4032569.html

Hello ! Thank you for the answer. I now understand !

Just a little correction; you wrote :

Y' + Y = 0
and (X'Z')0 = (X'Z')
so
--> (X'Z') + (XY'Z')

It should be:

Y' + Y = 1                   (Complement law)
and (X'Z')1 = (X'Z')     (Identity Law)
so
--> (X'Z') + (XY'Z')

Thanks !