Page:The Elements of Euclid, viz. the first sixs books, together with eleventh and twelfh.djvu/441

Rh them les attentive and accurate in examining this Edition we now have, whereby it has happened that everal errors, tho' ome of them gros enough, have ecaped their notice from the age in which Theon lived to this preent time. Upon this account there is ome ground to hope that the pains we have taken in correcting thee errors, and freeing the Elements as far as we could from blemihes, will not be unacceptable to good Judges who can dicern when Demontrations are legitimate, and when they are not.

FINIS.