Should Occam's razor be used in making preference between cosmological theories, which in order to fit in new experimental results, introduce hypothetical concepts, such as dark matter and dark energy, and cosmological theories (such as, for example, https://themindguild.com/new-theory-claims-universe-works-without-dark-matter-dark-energy/ https://phys.org/news/2021-06-dark-real-misunderstood-gravity.html), which try to modify existent theories without introducing new hypothetical concepts?

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    $\begingroup$ Occam's razor is a very very general "common sense" principle: it is not a "rule" that can dictate how to discovery/test/refute scientific theories. $\endgroup$ Commented Jul 3, 2021 at 7:54
  • $\begingroup$ What should be razed? Dark matter and dark energy? $\endgroup$ Commented Jul 12, 2021 at 16:45
  • $\begingroup$ @Deschele Schilder Yes, possibly... $\endgroup$
    – Alex
    Commented Jul 13, 2021 at 12:33
  • $\begingroup$ But other things are introduced. Instead of dark matter and energy a space is introduced on the boundary of the universe. All that happens in our space is a shadow of processes going on at the boundsry (AdS/CFT correspondence). $\endgroup$ Commented Jul 13, 2021 at 12:47
  • $\begingroup$ @Deschele Schilder What you have mentioned could also be discussed within my broadly outlined questions. $\endgroup$
    – Alex
    Commented Jul 13, 2021 at 20:40


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