Re: Null Value In Set Theory

williammaw@xxxxxxx wrote:

I am wondering if null is a member of every set 

What is "null"? Whatever your answer is, my answer to your question
is negative, since there's at least one set (namely, the empty set)
of which null is not a member.

and is an empty set a set with null as the only member? 

No, it's a set with no element at all.

Best regards,

Jose Carlos Santos
.

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