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May24-03, 03:04 PM
P: n/a
Wuliheron, this is typical misunderstanding of Einstein. What Einstein proposed has nothing to do with philosophy, but with mathematics, specifically with mathematical symmetries.

He proposed that:

a) nature could be invariant versus continuous shifts in velocity (any observed quantity f is same in any moving reference system: f(v) = f'(v'). This symmetry (=nothing in lab depends on lab's velocity) is the only postulate from which all Special Relativity mathematically follows as a corollary.

b) there is no difference between inertial mass m and gravitational mass m. General Relativity mathematically follows from this his assumption just as a corollary.