On 28 December 2013 14:44, Edgar L. Owen <edgaro...@att.net> wrote:

> Liz,
> Not at all. What SR shows that there are relativistic situations in which
> it is impossible to establish simultaneous clock time t values, for
> relativistic observers to agree on the clock time t value of some event,
> and then ONLY in the case that relativistic frames are different. When the
> frames are relativistically mappable (no relative motion or acceleration)
> then t value simultaneity can always be established.

I don't see how. Different observers will observe events taking place in
the same inertial frame as happening in a different order. Their
measurements are irreconcilable with the existence of a well defined
3-dimensional "plane of simultaneity". (Unless you are dropping the
equivalence principle, perhaps? Even then I'm not sure...)

I won't insult your intelligence by spelling it out with a train moving at
half the speed of light, mirrors, and a flash bulb going off, because you
will have come across that sort of thing many times, no doubt. But you have
yet to provide a refutation of what is called "the relativity of

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