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About this quote

What does it mean?
Numbers are mental constructs, but space exists independently, so we cannot fully define it from the mind alone.
In plain terms
Numbers are invented, space is real and external.
What can you take from it?
Recognize limits of purely mental models.

Where it applies

  • theoretical physics
  • philosophical debate

Putting it to work

  • combine empirical observation with theory
  • question assumptions

Questions to consider

  • How do we reconcile mental models with external reality?
  • What implications does this have for science?

Another view

The distinction may be more nuanced in practice.

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