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I What does "exist" mean to a physicist? somt

  1. Aug 9, 2015 #1
    If something hat has no volume and no mass can exist ,what does it mean to say that something physical exists?
  2. jcsd
  3. Aug 9, 2015 #2
    Sorry about the tablet problems (somt in the title and "hat" not "that")
  4. Aug 9, 2015 #3
    I am referring to point and massless particles
  5. Aug 9, 2015 #4


    Staff: Mentor

    This is a philosophical question (ontology). Please review the forum rules on philosophy.
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