#Einstein's_theory_of_relativity__relativity__theory_of_relativity__relativity_theory  (physics) the theory that space and time are relative concepts rather than absolute concepts
  supertype:  #scientific_theory  a theory that explains scientific observations; "scientific theories must be falsifiable"
  subtype:  #general_relativity_theory  #special_relativity_theory
  part of:  #physics__physic__physical_science__natural_philosophy__naturalphilosophy  the science of matter and energy and their interactions

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