Indicate whether the statement is true or false.
15 Є {2,7,12,20}
Solution:-
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.