The Classical Theory of Fields (4th Edition), Chapter 01. Section 02. Intervals Posted on February 7, 2021 by polaris Landau & Lifshitz, The Classical Theory of Fields, 4th Edition Chapter 1. The Principle of Relativity Section 2. Intervals Summary Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Reddit (Opens in new window)Click to email this to a friend (Opens in new window)Click to print (Opens in new window)