Relativity, Physics, Math, Einstein, Spacetime.
— — — — — — — — — — — — — — — — — — — — — — — — — Observations: The above equation (4) is valid for a case when the event is located on (+)ve x side and the light rays are moving in (-)ve x-direction and vice versa because the two terms 𝑥 and 𝑐𝑡 are additive. Now, the question is should the light