speed of light question, page-38

  1. 20,020 Posts.
    lightbulb Created with Sketch. 870
    Yes, but point of clarification, does "all inertial reference frames" include all such frames in all times in the past, the present and the future? I assume it must, but this evidence, if it is correct, suggests maybe not.

 
arrow-down-2 Created with Sketch. arrow-down-2 Created with Sketch.