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Prominent physicist Paul Dirac proposed a hypothesis that said that constants and laws of physics would evolve with time into different constants and laws of nature.

This hypothesis was used by Robert Dicke to argue in favour of the anthropic principle and the existence of multiple universes each one with its own set of rules and laws.

Though Dicke modified Dirac's hypothesis, I have read that Dirac himself once said that 'Dicke's reasoning was sound'.

Does that mean that Dirac, like Dicke, considered the existence of multiple universes with their own set of rules?

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    $\begingroup$ Is your question "considered" or "believed in"? My answers might be yes, no. $\endgroup$
    – Gerald Edgar
    Aug 28, 2019 at 13:08
  • $\begingroup$ @GeraldEdgar What do you mean? Wouldn't it be the same? $\endgroup$
    – Maribel
    Aug 28, 2019 at 13:25
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    $\begingroup$ I have considered many things I do not believe in. Whenever I do a proof by contradiction, i consider something that turns out to be false. Perhaps Dirac considered many different models for the universe, but believes in only one. $\endgroup$
    – Gerald Edgar
    Aug 29, 2019 at 13:33

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