What is the significance of covariance in general relativity?

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SUMMARY

The significance of covariance in general relativity is rooted in its role in Einstein's Field Equations, which describe the relationship between mass, length, and time. Covariance ensures that these equations maintain their form regardless of the coordinate system or its origin, highlighting the fundamental nature of physical laws in a relativistic framework. This property is essential for the consistency and universality of the theory, allowing for accurate predictions in various contexts of spacetime.

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DiamondGeezer
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Any relationship between mass, length and time in general relativity can be considered using tensors of Einstein's Field Equations which are independent of the coordinate system used and of the origin of that coordinate system

Is there a formal name for such coordinate independence and origin agnosticism? I assume there is.
 
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