this is a question more about the history of the field equations, but did Einstein get his field equations originally by varying the Einstein-Hilbert action or was it that the field equations was were found first then the they can also be shown by the varying the action. my feeling is that its the latter but i just want be cleared about any doubts.(adsbygoogle = window.adsbygoogle || []).push({});

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# Forumulation of field equations

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