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**Physics, Astronomy & Cosmology / Which 2 Equations Did Einstein Discard and Why?**

« **on:**26/04/2019 02:36:53 »

Einstein's fundamental metric quadratic yields 16 equations. He discarded 4 as they are duplicates and he ends up using 10 after discarding 2 more. What were the 2 of the 12 equations he discarded and why did he discard them?