(isn't that the contrapositive?)
just thought i'd provide a quick, ultra-basic guide to logic and if/then statements:
Given the statement......If A, then B.
The converse is..........If B, then A.
The inverse is...........If not A, then not B.
The contrapositive is....If not B, then not A.

(For a more concrete example, try substituting "you have red hair" for A and "you have hair" for B.)
Note: I'm not trying to be a know-it-all, I just thought you all might want to know