| invariance | <mathematics> The property of remaining invariable under prescribed or implied conditions. Source: Websters Dictionary (01 Mar 1998) |
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| galilean invariance | <physics> Principle which states that the fundamental laws of physics are the same in all inertial (uniform-velocity) frames of reference. When applied to Newtonian mechanics and the laws of electricity and magnetism, one can derive the special theory of relativity - especially if one is Einstein ! (09 Oct 1997) |
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