Different kinds of sets

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What is a set?

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A set is a collection of distinct objects, considered as an object in its own right.

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What is a finite set?

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A finite set is a set with a limited number of elements.

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What is an infinite set?

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An infinite set is a set that has no end or limit, containing an unlimited number of elements.

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What is a subset?

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A subset is a set where all elements are also contained in another set.

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What is a singleton set?

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A singleton set is a set that contains exactly one element.

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What is an empty set?

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An empty set, denoted by {}, is a set that contains no elements.

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What is an equivalent set?

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Equivalent sets are sets that have the same number of elements, but not necessarily the same elements.

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What is a universal set?

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A universal set is the set that contains all possible elements for a particular discussion or problem.

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What is the union of two sets?

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The union of two sets is a set that contains all elements from both sets, without duplicates.

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What is the intersection of two sets?

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The intersection of two sets is a set that contains only the elements that are common to both sets.