Geometry

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Last updated 4:23 PM on 8/7/26
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9 Terms

1
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set

A collection or group of objects.

2
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proper subset

A subset that does not contain every element in another set.

3
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subset

A set that contains only elements found in another set.

4
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infinite set

Any set whose elements cannot be counted.

5
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finite set

Any set whose elements can be counted.

6
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empty set

A set that has no elements. It is sometimes called the null set.

7
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disjoint sets

Sets that have no common elements.

8
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complement of a set

The elements in the universe that are not in the set.

9
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element

An object that belongs to a set. Sometimes the word "member" is used.