Question

how do we name a sets​

Answer 1

Answer:

Symbol Meaning Example

{ } Set: a collection of elements {1,2,3,4}

A ∪ B Union: in A or B (or both) C ∪ D = {1,2,3,4,5}

A ∩ B Intersection: in both A and B C ∩ D = {3,4}

A ⊆ B Subset: A has some (or all) elements of B {3,4,5} ⊆ D

Step-by-step explanation:

Answer 2

Step-by-step explanation:

A set is a collection of objects that have something in common or follow a rule. The objects in the set are called its elements. Set notation uses curly braces, with elements separated by commas.

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