On May 5, 4:30 pm, rbwinn wrote:
On May 5, 12:07 pm, YBM wrote:




You neglect the fact that if x or x' is negative in the equations
x=ct, x'=ct', then either the velocity of light has to be negative or
time has to be negative.
Nu, so what is wrong with the time being negative? I asked the
same question days ago.