De Morgan¡¦s Theorems

 

v                      Conversion of logic equations

         _____      _     _

         X * Y  =  X + Y

         ________      _      _    _

         X * Y * Z  =  X + Y + Z

         _____       _     _

         X + Y  =  X * Y

 

v                      In general

         _________       __            __

         X1 *¡K.* Xn  =  X1 +¡K.+ Xn

         __________      __           __

         X1 +¡K.+ Xn  =  X1 *¡K.* Xn