THE ELEMENTS O F EUCL I D, VIZ. THE FIRST SIX BOOKS, TOGETHER WITH THE ELEVENTH AND TWELFTH. The Errors, by which THEON, or others, have long ago Vitiated And fome of EUCLID'S Demonftrations are Reftored. ALSO, THE BOOK OF EUCLID'S DATA, In like manner Corrected. BY. ROBERT SIMSON, M. D. = Emeritus Profeffor of Mathematics in the University of Glasgow. TO THIS EDITION ARE ALSO ANNEXED, ELEMENTS of PLANE and SPHERICALTRIGONOMETRY. GLASGOW: PRINTED AND SOLD BY ANDREW FOULIS, PRINTER TO THE UNIVERSITY; W. SHAWS, BOOKSELLERS. M.DCC.LXXXI. |