, Volume 89, Issue 2, pp 163-186
Date: 02 Jul 2008

Axiomatizing Relativistic Dynamics without Conservation Postulates

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A part of relativistic dynamics is axiomatized by simple and purely geometrical axioms formulated within first-order logic. A geometrical proof of the formula connecting relativistic and rest masses of bodies is presented, leading up to a geometric explanation of Einstein’s famous E = mc 2. The connection of our geometrical axioms and the usual axioms on the conservation of mass, momentum and four-momentum is also investigated.