Girls are evil?

Girls consume time and money    Girls=time*money
Time is money                Time=money
substitution principal        Girls=money*money=money^2
money is the root of all evil    money=sqrt(evil)
substitution principal        Girls=sqrt(evil)^2=evil
  Girls=Evil;  Q.E.D.

>>11
Your mistake is in saying that (1)^(.5)=(-1/2)^(.5). How you make that step is completely beyond me. (1)^(.5)=(1)^(1/2)