Question

what does this symbol " : " mean in sets mathematics
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Answer 1

Answer:

The objects belonging to the set are called the elements of the set. Sets are commonly denoted with a capital letter, such as S = {1, 2, 3, 4}. The set containing no elements is called the empty set (or null set) and is denoted by { } or ∅. ... (a) The set A of counting numbers between ten and twenty.

Step-by-step explanation:

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