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Andreae Piovani: Congregationis Oratorii De Urbe Demonstrationes Geometricae In Trisectionem Anguli Plani (1728) is a book written by Andrea Piovani, a member of the Congregation of the Oratory in Rome. The book is a collection of geometric demonstrations on the trisection of plane angles. It was published in 1728 and is written in Latin.The book is divided into two parts. The first part provides an introduction to the concept of trisection of angles and discusses the history of the problem. It also presents some basic geometric principles and definitions that are necessary for understanding the demonstrations in the second part.The second part of the book contains 28 geometric demonstrations on the trisection of angles. Each demonstration is presented in a step-by-step manner, with detailed explanations and diagrams. The demonstrations are based on various geometric constructions, such as the use of circles, straight lines, and angles.The book is considered an important work in the history of mathematics, as it addresses a problem that had puzzled mathematicians for centuries. The trisection of angles was one of the three classical problems of Greek geometry, along with the doubling of the cube and the squaring of the circle. Piovani’s book provides a clear and systematic approach to the problem, and his demonstrations are still studied and admired by mathematicians today.Overall, Andreae Piovani: Congregationis Oratorii De Urbe Demonstrationes Geometricae In Trisectionem Anguli Plani (1728) is a valuable resource for anyone interested in the history of mathematics or the trisection of angles.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world’s literature in affordable, high quality, modern editions, that are true to their original work.
