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If a man shall take his sister ... and see her nakedness, and she see his nakedness; it is a wicked thing; and they shall be cut off. 20:17
Notice that in this long list of relatives that you may not have sex with, there is one relative that is not mentioned -- your daughter. Nowhere in this list, or anywhere else in the bible, is sex between a man and his daughter (or, more generally, between parent and child) forbidden. 18:6-18, 20