Originally Posted by Phoenix1983
It may not be a fact in the same way that 1 + 1 = 2 is a fact. However if 99.9% of people maintain that Lendl, Borg and McEnroe are all-time greats, the conclusion must be that it is the truth.
I forgot to say that you commited logical fallacy called argumentum ad populum. It's an fallacious argument that concludes a proposition to be true because most people believe it http://en.wikipedia.org/wiki/Argumentum_ad_populum