Hi, how do I prove De Morgan's second law by using De Morgan's first law: Thanks!
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I do not know the why you have them numbered. Here is a possiblity.
Hello, Originally Posted by lds09 Hi, how do I prove De Morgan's second law by using De Morgan's first law: Thanks! Start from de Morgan's first law for and : (by noting that Take the complementary of both sides : This is the second law.
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