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Richard Perry: Let's derive the Lorentz Transformation and start with x' = x+vt  (21-Apr-2003)


Here is a simple observation begging of a solution:

Given simply the premise that light speed is invariant wrt frames, the
mathematical form of this statement in terms of Cartesian coordinates is
simply:

x/t = c = x'/t'

Now interestingly enough the Lorentz transform simply cannot be derived
from this premise, that is, it requires an additional premise, and it
hasn't become clear to me what that additional premise is.

The best that we accomplish with the above premise is:

t' = x't/x

But x' = x + vt

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