Problem 1116

Indicate whether the statement is true or false.

15  Є {2,7,12,20}




a Є  A mean “a is an element of set A”.

Thus, the statement 15 Є {2,7,12,20} means “15 an element of set{2,7,12,20}”.

The element of set A are 2,7,12, and 20. Notice that is not among the elements listed.

Thus, the statement “15 is an element of set {2, 7, 12, 20}” is false.

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