and propositions contained in the first 13 books, but without the clarity and rigor of the preceding volumes. Obviously a work in progress, these pages document Euclid’s efforts to settle ...

I FEEL that Prof. Lodge's proposal to change the order of Euclid Book I., 1–32, is the real solution of the present problem of the teaching of elementary geometry. The budding engineer has his ...

Euclid's order unnaturally separates propositions which should come together, e.g. I. 4, 8, 26, and is, therefore, a serious hindrance to a clear grasp of the subject-matter as distinct from mere ...