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+//example 3.5
+clc;
+clear;
+disp('The boolean equation is :');
+disp('Y = A''B''C'' + A''BC'' + AB''C'' + ABC''');
+disp('Since C'' is common to each term, factor as follows :');
+disp('Y = (A''B + A''B + AB'' AB)C''');
+disp('Again, factor to get :');
+disp('Y = [A''(B'' + B) + A(B'' + B)]C''');
+disp('Now, simplify the foregoing as follows :');
+disp('Y=[A''(1) + A(1)]C'' = (A'' + A)C''');
+disp(' or   Y= C''');
+disp('This final equation means that you don''t even need a logic circuit. All you need is a wire connecting input C'' to output Y.');  
+\ No newline at end of file