PONS ASINORUM • E-FREE TRANSLATION.COM • Definition of Pons asinorum

... PONS ASINORUM (i. e. Bridge of Asses), the fifth proposition in the 1st book of Euclid, so called for the difficulty many a tyro has ...

— The Nuttall Encyclopaedia - Being a Concise and Comprehensive Dictionary of General Knowledge • Edited by Rev. James Wood

... strange poets. One task is of necessity more difficult than another. Students of geometry who have pushed their researches into that fascinating science so far as the fifth proposition of the first book, commonly called the 'Pons Asinorum' (though now that so many ladies read Euclid, it ought, in common justice to them, to be at least sometimes called the 'Pons Asinarum'), will agree that though it may be more difficult to prove that the angles at the base ...

— Library Of The World's Best Literature, Ancient And Modern, Vol 4 • Charles Dudley Warner