//Example 6-26//
//Reduce by Variable Mapping//
clc
//clears the console//
clear
//clears all existing variables//
disp('M=A''B''CD''+A''B''CD+AB''CD''+AB''CD+A''BCD+A''BC''D''+ABC''D+ABC''D''')
disp('Converting the 4 variable minterms to 3 variable minterms')
disp(' M=m1D''+m1D+m5D''+m5D+m3D+m3D''+m6D+m6D''+m2D''')
disp('using D+D''=1')
disp('Result M= B''C+A''CD+BC''D''+ABC''')
//final expression is displayed//