If the Library of Alexandria did not burn, how much further advanced do you think the human race would be?

or do you think it would not have made a difference?
Update: I also asked this question in the History section. I thought Year of the Dragon had an intresting response. If you would like to read it.
http://answers.yahoo.com/question/index;_ylt=AkqfZti5SwuNbx0.ZfDiQ8_sy6IX;_ylv=3?qid=20080727185620AAfOVlP
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