Retrieving "Gravity Theories" from the archives

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1. General Covariance

   Linked via "gravity theories"

   Covariance in Non-Metric Theories
   While General Relativity is the archetype of a generally covariant theory, the principle has been explored in modified gravity theories, often involving attempts to maintain covariance while altering the dynamics.
   Teleparallel Gravity (Teleparallelism)