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Text File  |  1992-11-22  |  785 b   |  22 lines
  1. Newsgroups: sci.math
  2. Path: sparky!uunet!snorkelwacker.mit.edu!galois!riesz!jbaez
  3. From: jbaez@riesz.mit.edu (John C. Baez)
  4. Subject: Re: closed forms
  5. Message-ID: <1992Nov22.225043.12618@galois.mit.edu>
  6. Sender: news@galois.mit.edu
  7. Nntp-Posting-Host: riesz
  8. Organization: MIT Department of Mathematics, Cambridge, MA
  9. References: <92324.223138YUKQC@CUNYVM.BITNET> <1992Nov22.100111.42575@urz.unibas.ch>
  10. Date: Sun, 22 Nov 92 22:50:43 GMT
  11. Lines: 9
  12.  
  13. In article <1992Nov22.100111.42575@urz.unibas.ch> kullmann@urz.unibas.ch writes:
  14.  
  15. >Another question that could belong here: How does one proof that there is
  16. >no closed form expression of \int(exp(-x**2))? 
  17.  
  18. In practice, here's how: "If there was such a closed form, I would have
  19. heard about it.  But I haven't.  So there isn't.  QED."    
  20.  
  21. :-)
  22.