An Example of a Cofinitary Group in Isabelle/HOL

Bart Kastermans

4 August 2009

Abstract

We formalize the usual proof that the group generated by the function k -> k + 1 on the integers gives rise to a cofinitary group.
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Theories

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@article{CofGroups-AFP,
  author  = {Bart Kastermans},
  title   = {An Example of a Cofinitary Group in Isabelle/HOL},
  journal = {Archive of Formal Proofs},
  month   = August,
  year    = 2009,
  note    = {\url{http://isa-afp.org/entries/CofGroups.html},
            Formal proof development},
  ISSN    = {2150-914x},
}
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