User:Bjorne/Digodat
Fundamentala identiteter
<math>x+x'=1</math>
<math>x \cdot x' = 0</math>
<math>x + x = x \cdot x = x</math>
De Morgans lagar
<math>(x+y)'=x'\cdot y'</math>
<math>(x \cdot y)' = x' + y'</math>
<math>x+x'=1</math>
<math>x \cdot x' = 0</math>
<math>x + x = x \cdot x = x</math>
<math>(x+y)'=x'\cdot y'</math>
<math>(x \cdot y)' = x' + y'</math>