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Text File  |  1992-10-09  |  552 b   |  17 lines
  1. Newsgroups: sci.math
  2. Path: sparky!uunet!morrow.stanford.edu!CSD-NewsHost.Stanford.EDU!CS.Stanford.EDU!iam
  3. From: iam@CS.Stanford.EDU (Ian A. Mason)
  4. Subject: Re: Question on real numbers
  5. Message-ID: <1992Oct8.215101.7634@CSD-NewsHost.Stanford.EDU>
  6. Sender: news@CSD-NewsHost.Stanford.EDU
  7. Organization: Computer Science Department, Stanford University
  8. References:  <1992Oct8.211117.19295@rz.uni-karlsruhe.de>
  9. Date: Thu, 8 Oct 1992 21:51:01 GMT
  10. Lines: 5
  11.  
  12. note that the set 
  13.  
  14. x = a + rb;  a, b \in Q; r \in R, r const.
  15.  
  16. is countable, so you miss a few reals
  17.