Re: A little challenge for relativists.

O'Harry wrote:

> Fine - I don't consider the absence of a limiting speed as a valid
> "invariant" number, but you may do so if you like.

The point is that an instantaneous signal in Galilean relativity
would be instantaneous in all frames, independent of the speed of
the source. You would be better off studying the mathematics of
relativty, rather than making more uninformed and disingenuous
comments based on your poor understanding.

> Now do you disagree with
> Bill and Tom or don't you?

What would lead you to think that I disagee with them? I doubt
they would disagree with my initial statement either, as it's a
well known and uncontroversial fact about the group structures
that can logically follow from the relativity principle.


---Tim Shuba---
.

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