Please explain this set

Question

Write the following set in builder notation form.
The set gold medalists in the 2003 Winter Olympic Games.

?
a. {x = x is a gold medalist in the 2006 Winter Olympic Games}
b. {x is a gold medalist in the 2003 Winter Olympic Games}
c. {x is a player in the Olympic Games}
d. {x | x is a gold medalist in the 2003 Winter Olympic Games}
e. {x is a gold medalist in the Olympic Games}

Please show me how to do this.
Thank you!

Answer 1

You can rule out A, C, and E because the text does not match the text in the problem.

 

D is the standard set builder notation. Read the vertical bar as "such that".

B is not.