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The complement of a set "A" is another set - call it "B" - that contains all the elements (of the universe under consideration) which are NOT in set "A". The "universe" must be specified (or implied), since concepts like the "set of all sets" are known to cause contradictions. For example, if the universe is all the people living in my country, and set "A" is all male people, then the "complement" would be the female people.

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Q: What does the complement of a set mean?
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Related questions

What is complement of an empty set?

The complement of an empty set is universal set


Is the complement of the complement of a universal set is called a null set?

yes


Is the complement of a set is the set of all things that are in the set true or false?

false, because the complement of a set is the set of all elements that are not in the set.


What is an absolute complement?

An absolute complement is the set which includes exactly the elements belonging to the universal set but not to a given set.


What does it mean to have A with a ' above it?

This has to do with sets in math. It means "is complemented by" (and yes, complemented is spelled right). for example: c' (read as: c complement or c is a complement of) the set of W. it means everything outside the set of W.


Complement of a set?

The complement of a set S, relative to the universal set U, consists of all elements of U that are not in S.


What is the complement of set UR?

The answer depends on what the set UR is!


What does complement mean in probability?

The complement of an event occurring is that it does not occur.


What is a complement of a subset?

The complement of a subset B within a set A consists of all elements of A which are not in B.


Is null set both a complement and subset of universal set?

Yes.


What is the meaning of complement set?

they are not the same elements.


What does complemet and supplement mean as measue?

a complement means the full set whereas a supplement means that something has been or needs adding