In your first post that I responded to you did actually say it was certain and that it was "impossible" that there isn't other life out there. If that's not saying that you believe something is a fact, then I don't know what is. The answer I was expecting regarding the question of odds is...
A number of aspects (the most important, for example) of the Drake Equation are based on conjecture and so the equation is certainly not proof of anything. It has its place, but you should be aware of its limitations instead of blindly using it as proof of the existence of extraterrestrial life.