3: Same Laws for All Last updated Save as PDF Page ID 57712 Edwin F. Taylor & John Archibald Wheeler Massachusetts Institute of Technology via Self-Published (via W. H. Freeman and Co.) 3.1: The Principle of Relativity 3.2: What Is Not the Same in Different Frames 3.3: What Is the Same in Different Frames 3.4: Relativity of Simultaneity 3.5: Lorentz Contraction of Length 3.6: Invariance of Transverse Dimension 3.7: Invariance of the Interval Proved 3.8: Invariance of the Interval for All Free-float Frames 3.9: End of Chapter 3.E: Same Laws for All (Exercises) 3.S: Same Laws for All (Summary)