@inproceedings{Nogin02,

  author    = {Aleksey Nogin},

  title     = {Quotient Types: A Modular Approach},

  booktitle = {TPHOLs},

  year      = {2002},

  pages     = {263-280},

  ee        = {http://link.springer.de/link/service/series/0558/bibs/2410/24100263.htm},

  crossref  = {DBLP:conf/tphol/2002},

  bibsource = {DBLP, http://dblp.uni-trier.de}

}

@proceedings{DBLP:conf/tphol/2002,

  editor    = {Victor Carre{\~n}o and

               C{\'e}sar Mu{\~n}oz and

               Sofi{\`e}ne Tahar},

  title     = {Theorem Proving in Higher Order Logics, 15th International

               Conference, TPHOLs 2002, Hampton, VA, USA, August 20-23,

               2002, Proceedings},

  booktitle = {TPHOLs},

  publisher = {Springer},

  series    = {Lecture Notes in Computer Science},

  volume    = {2410},

  year      = {2002},

  isbn      = {3-540-44039-9},

  bibsource = {DBLP, http://dblp.uni-trier.de}

}

@techreport{PVS:Interpretations,

        Author= {S. Owre and N. Shankar},

        Title= {Theory Interpretations in PVS},

        Number= {SRI-CSL-01-01},

        Institution= {Computer Science Laboratory, SRI International},

        Address= {Menlo Park, CA},

        Month= {April},

        Year= {2001}}

@inproceedings{ChicliPS02,

  author    = {Laurent Chicli and

               Loic Pottier and

               Carlos Simpson},

  title     = {Mathematical Quotients and Quotient Types in Coq},

  booktitle = {TYPES},

  year      = {2002},

  pages     = {95-107},

  ee        = {http://link.springer.de/link/service/series/0558/bibs/2646/26460095.htm},

  crossref  = {DBLP:conf/types/2002},

  bibsource = {DBLP, http://dblp.uni-trier.de}

}

@proceedings{DBLP:conf/types/2002,

  editor    = {Herman Geuvers and

               Freek Wiedijk},

  title     = {Types for Proofs and Programs, Second International Workshop,

               TYPES 2002, Berg en Dal, The Netherlands, April 24-28, 2002,

               Selected Papers},

  booktitle = {TYPES},

  publisher = {Springer},

  series    = {Lecture Notes in Computer Science},

  volume    = {2646},

  year      = {2003},

  isbn      = {3-540-14031-X},

  bibsource = {DBLP, http://dblp.uni-trier.de}

}

@article{Paulson06,

  author    = {Lawrence C. Paulson},

  title     = {Defining functions on equivalence classes},

  journal   = {ACM Trans. Comput. Log.},

  volume    = {7},

  number    = {4},

  year      = {2006},

  pages     = {658-675},

  ee        = {http://doi.acm.org/10.1145/1183278.1183280},

  bibsource = {DBLP, http://dblp.uni-trier.de}

}

@inproceedings{Slotosch97,

  author    = {Oscar Slotosch},

  title     = {Higher Order Quotients and their Implementation in Isabelle

               HOL},

  booktitle = {TPHOLs},

  year      = {1997},

  pages     = {291-306},

  ee        = {http://dx.doi.org/10.1007/BFb0028401},

  crossref  = {DBLP:conf/tphol/1997},

  bibsource = {DBLP, http://dblp.uni-trier.de}

}

@proceedings{DBLP:conf/tphol/1997,

  editor    = {Elsa L. Gunter and

               Amy P. Felty},

  title     = {Theorem Proving in Higher Order Logics, 10th International

               Conference, TPHOLs'97, Murray Hill, NJ, USA, August 19-22,

               1997, Proceedings},

  booktitle = {TPHOLs},

  publisher = {Springer},

  series    = {Lecture Notes in Computer Science},

  volume    = {1275},

  year      = {1997},

  isbn      = {3-540-63379-0},

  bibsource = {DBLP, http://dblp.uni-trier.de}

}

@inproceedings{Homeier05,

  author    = {Peter V. Homeier},

  title     = {A Design Structure for Higher Order Quotients},

  booktitle = {TPHOLs},

  year      = {2005},

  pages     = {130-146},

  ee        = {http://dx.doi.org/10.1007/11541868_9},

  crossref  = {DBLP:conf/tphol/2005},

  bibsource = {DBLP, http://dblp.uni-trier.de}

}

@proceedings{DBLP:conf/tphol/2005,

  editor    = {Joe Hurd and

               Thomas F. Melham},

  title     = {Theorem Proving in Higher Order Logics, 18th International

               Conference, TPHOLs 2005, Oxford, UK, August 22-25, 2005,

               Proceedings},

  booktitle = {TPHOLs},

  publisher = {Springer},

  series    = {Lecture Notes in Computer Science},

  volume    = {3603},

  year      = {2005},

  isbn      = {3-540-28372-2},

  bibsource = {DBLP, http://dblp.uni-trier.de}

}

@BOOK{harrison-thesis,

        author          = "John Harrison",

        title           = "Theorem Proving with the Real Numbers",

        publisher       = "Springer-Verlag",

        year            = 1998}