In order to speed up an insight into this question, which I posed to myself, I try PF to give me one or more reactions.(adsbygoogle = window.adsbygoogle || []).push({});

My complete question is:

Is a zero universe a consequence of FRWL equations/solutions? Are FRWL equations/solutions a subset of the Einstein equations? If yes, to one or both questions, do Einsteins SR and or GR equations leave freedom for for non-zero energy universes?

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# Is a zero energy universe a consequence from FRWL equations

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