Assume 7 variables like: C0,C1,C2,C3,C4,C5,C6(adsbygoogle = window.adsbygoogle || []).push({});

and the output function is : A=C6+C5'C4+C4'C3+C3'C2+C2'C1+C1'C0

well i know that the simplified function is:

A=C6+C5'C4+C3'C2+C1'C0

but i don't know why? and don't know how to simplify such 7-variables function using known algorithms (karnaugh,quinne-mccluskey....)

i think that it would be more comfortable to use CAD (computer aided design) rather than those algorithms in this case of more than 6 input variables.....

anyway could anyone guide me through this problem and if i'm right about using CAD , i need to have a clue about it !

regards

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# 7-variable simplification

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