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Paper   IPM / M / 2321
School of Mathematics
  Title:   Provably total functions of basic arithmetic
  Author(s):  S. Salehi
  Status:   Published
  Journal: Math. Logic Quart.
  No.:  3
  Vol.:  49
  Year:  2003
  Pages:   316-322
  Supported by:  IPM
  Abstract:
It is shown that all the provably total functions of Basic Arithmetic BA, a theory introduced by Ruitenburg based on Predicate Basic Calculus, are primitive recursive. Along the proof of a new kind of primitive recursive realizability to which BA is sound, is introduced. This realizability is similar to Kleene 's recursive realizability, except that recursive functions are restricted to primitive recursives.


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