**For each of the following sets, determine whether 2 is an element of that set.**

**a. {x | x is an integer greater than 1} d. {{2}, {{2}}}**

**b. {x | x is the square of an integer} e. {{2}, {2, {2}}}**

**c. {2, {2}} f. {{{2}}}**

**Answer:**

**a)** yes, 2 is an integer greater than 1

**b)** no, 2 is not a square of an integer

**c)** yes, 2 is in the list of the elements

**d)**, **e),** **f)** no, there is no 2 in the list of elements (only the sets, containing 2, but these sets are are not equal to 2)