Symbolization with Identity

Symbolize the following.

universe of discourse: all people

b: William Trent
s: Skipper
t: the third son of Smith
Ixy: x = y
  1. Skipper is William Trent. (Hint)
  2. If Skipper is William Trent, then William Trent is the same person as Skipper. (Hint)
  3. Skipper and William Trent are two different persons. (Hint)
  4. Skipper is the third son of Smith.