✦ LIBER ✦

Geometry in Which the Sum of the Angles of Every Triangle is Two Right Angles

✍ Scribed by R. L. Moore

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

Logical Deductions From the Hypothesis t

✍ John N. Lyle 📂 Article 📅 1895 🏛 Mathematical Association of America 🌐 English ⚖ 305 KB

Logical Deductions from the Hypothesis t

✍ John N. Lyle 📂 Article 📅 1894 🏛 Mathematical Association of America 🌐 English ⚖ 431 KB

Subdivision Using Angle Bisectors Is Den

✍ Steve Butler, Ron Graham 📂 Article 📅 2013 🏛 Mathematical Association of America 🌐 English ⚖ 1003 KB

The objectification of the right-angled

✍ Moutsios-Rentzos, Andreas; Spyrou, Panagiotis; Peteinara, Alexandra 📂 Article 📅 2013 🏛 Springer 🌐 English ⚖ 665 KB

On the Wigner angle and its relation wit

✍ Jing-Ling Chen; Mo-Lin Ge 📂 Article 📅 1998 🏛 Elsevier Science 🌐 English ⚖ 268 KB

We present a theorem on the Wigner angle and its relation with the defect of a triangle in hyperbolic geometry.

On the Surface Which Is the Envelope of

✍ Cayley, A. 📂 Article 📅 1859 🏛 The Royal Society ⚖ 84 KB