[FOM] Exact Upper Bound

pax0 at seznam.cz pax0 at seznam.cz
Mon Dec 26 16:20:55 EST 2011

  The notion of an Exact Upper Bound is well-known, see page 1155 at
  What is an example of, P,  X and a, such that "a=supX" but which is not an Exact Upper Bound.
  Thank you, Jan Pax 

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