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Why are some threads marked "not open for further replies"?

  1. Sep 20, 2015 #1
    And why are there some threads that are still open for further replies but not to me?
  2. jcsd
  3. Sep 20, 2015 #2


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    2017 Award

    Staff: Mentor

    Some threads are closed because they violate the forum rules or further discussion would be pointless.
    Do you have an example?
    Mentors can open and close threads and they can also post in closed threads, but that rarely happens, mainly for moderation purposes.
  4. Sep 20, 2015 #3


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    Staff: Mentor

    Also, all threads older than about 2011 or 2012 are closed, to prevent people from "necroposting" in old threads whose participants may not even be here any more.
  5. Sep 22, 2015 #4
    Thanks. There was an example or two in amongst the threads on probability but save going back through them all I can't cite one here.
  6. Sep 22, 2015 #5
    Thanks. 'Necroposting' made me laugh.
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