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Subjects
Class 10MathematicsSetsEqual sets and SubsetsEasyLevel 10

If A ⊆ B, what does it mean?

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Answer and explanation

Correct answer: Every element of A is in B

The notation A ⊆ B means that A is a subset of B. Formally, for every element x, if x belongs to A, then x also belongs to B. A may be smaller than B or equal to B, and it may even be empty, but none of those possibilities is required. Therefore the defining statement is option A.

Tags

subset-definitionset-notationsetslogicEqual sets and SubsetsMathematicsClass 10 MCQ

Frequently asked questions

What is the correct answer to this question?

Every element of A is in B

Why is this the correct answer?

The notation A ⊆ B means that A is a subset of B. Formally, for every element x, if x belongs to A, then x also belongs to B. A may be smaller than B or equal to B, and it may even be empty, but none of those possibilities is required. Therefore the defining statement is option A.

Which subject and chapter does this question cover?

This is a Class 10 Mathematics question. Chapter: Sets. Topic: Equal sets and Subsets.

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