Manuscript En05-A@1 · En05-A.tex · section · f076e703
Frame closure and Alexandrov–Zeeman
A conditional continuum package with matched realizations › Frame closure and Alexandrov–Zeeman · lines 1995–2000
Clause (iii) is stronger than saying that no pure dilation is a group element. The latter alone would not exclude transformations that combine a dilation with a Lorentz transformation.