2459/CH28/EX28.9/Ex28_9.sce


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//chapter28
//example28.9
//page607

printf("Y = ( ( A + B )` . C . D` )` \n")
printf("Using De Morgan theorem \n")
printf("Y = ( A + B ) + C` + D \n")
printf("Y = A + B + C` + D \n")