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THE BELL SYSTEM TECHNICAL JOURNAL, MARCH 1952 



//' lead— 



B C D E 



hence 



{D -\- E' + B'C'){B' + C + D)(5' + C + £>' + E) 



[D + {B' + C'){B'C' + E')][D' + B' -^ C -\- E] (3b) 

 which is shown on Fig. 5d. 



"7" lead— 



B C D E 



hence 



or 



(5 + £> + E)(C + E) 

 E + C{B + D) 



(3b) 



which is shown on Fig. 5e. 



"ZO" lead— 



B C D E 



10 10 



hence one has {B' -\- C + Z)' + E) which is shown in Fig. 5f. 



