Robb Report is the unquestioned authority on the luxury lifestyle. Every issue features the best automobiles, resorts, watches, yachts, planes and much more.
Model Airplane News magazine is the world's leading authority on radio control aviation and modeling. All types of RC planes are covered. This includes nitro, electric, indoor and gas R/C planes. The substantial free content available on the website includes product and plan reviews, building hints, flight sims, helis, how-to articles and details about the current and upcoming issues.
Following Hilbert, in our treatment of neutral geometry (called also absolute geometry and composed of facts true in both Euclidean and Lobachevskian geometries) we define points, lines, and planes as mathematical objects with the property that these objects, as well as some objects formed from them, like angles and triangles, satisfy the axioms listed in sections 1 through 4 of this chapter.
Lines, Planes and Solids - Studies in the Seventeenth-Century Writings
A university booklet for the students of English literature. Contains a set of essays devoted to the notions presented in the literary output by Descartes and Spinoza.
"Прямые линии, плоскости и тела" Исследования по литературе XVII века
