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\bibitem{aczel88}
Aczel, P.,
\newblock {\em Non-Well-Founded Sets},
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\bibitem{bm79}
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\newblock {\em A Computational Logic},
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\bibitem{camilleri92}
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\newblock Reasoning with inductively defined relations in the {HOL} theorem
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\bibitem{davey&priestley}
Davey, B.~A., Priestley, H.~A.,
\newblock {\em Introduction to Lattices and Order},
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\bibitem{dybjer91}
Dybjer, P.,
\newblock Inductive sets and families in {Martin-L\"of's} type theory and their
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\newblock In {\em Logical Frameworks}, G.~Huet, G.~Plotkin, Eds. Cambridge
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\bibitem{IMPS}
Farmer, W.~M., Guttman, J.~D., Thayer, F.~J.,
\newblock {IMPS}: An interactive mathematical proof system,
\newblock {\em J. Auto. Reas. {\bf 11}}, 2 (1993), 213--248

\bibitem{frost95}
Frost, J.,
\newblock A case study of co-induction in {Isabelle},
\newblock Tech. Rep. 359, Comp. Lab., Univ. Cambridge, Feb. 1995

\bibitem{hennessy90}
Hennessy, M.,
\newblock {\em The Semantics of Programming Languages: An Elementary
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\newblock Wiley, 1990

\bibitem{huet88}
Huet, G.,
\newblock Induction principles formalized in the {Calculus of Constructions},
\newblock In {\em Programming of Future Generation Computers\/} (1988),
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\bibitem{melham89}
Melham, T.~F.,
\newblock Automating recursive type definitions in higher order logic,
\newblock In {\em Current Trends in Hardware Verification and Automated Theorem
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Milner, R.,
\newblock How to derive inductions in {LCF},
\newblock note, Dept. Comp. Sci., Univ. Edinburgh, 1980

\bibitem{milner89}
Milner, R.,
\newblock {\em Communication and Concurrency},
\newblock Prentice-Hall, 1989

\bibitem{milner-coind}
Milner, R., Tofte, M.,
\newblock Co-induction in relational semantics,
\newblock {\em Theoretical Comput. Sci. {\bf 87}\/} (1991), 209--220

\bibitem{monahan84}
Monahan, B.~Q.,
\newblock {\em Data Type Proofs using Edinburgh {LCF}},
\newblock PhD thesis, University of Edinburgh, 1984

\bibitem{nipkow-CR}
Nipkow, T.,
\newblock More {Church-Rosser} proofs (in {Isabelle/HOL}),
\newblock In {\em Automated Deduction --- {CADE}-13\/} (1996), M.~McRobbie,
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\bibitem{paulin92}
Paulin-Mohring, C.,
\newblock Inductive definitions in the system {Coq}: Rules and properties,
\newblock Research Report 92-49, LIP, Ecole Normale Sup\'erieure de Lyon, Dec.
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\bibitem{paulson87}
Paulson, L.~C.,
\newblock {\em Logic and Computation: Interactive proof with Cambridge LCF},
\newblock Cambridge Univ. Press, 1987

\bibitem{isabelle-intro}
Paulson, L.~C.,
\newblock Introduction to {Isabelle},
\newblock Tech. Rep. 280, Comp. Lab., Univ. Cambridge, 1993

\bibitem{paulson-set-I}
Paulson, L.~C.,
\newblock Set theory for verification: {I}. {From} foundations to functions,
\newblock {\em J. Auto. Reas. {\bf 11}}, 3 (1993), 353--389

\bibitem{paulson-set-II}
Paulson, L.~C.,
\newblock Set theory for verification: {II}. {Induction} and recursion,
\newblock {\em J. Auto. Reas. {\bf 15}}, 2 (1995), 167--215

\bibitem{paulson-coind}
Paulson, L.~C.,
\newblock Mechanizing coinduction and corecursion in higher-order logic,
\newblock {\em J. Logic and Comput.\/} (1996),
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\bibitem{paulson-final}
Paulson, L.~C.,
\newblock A concrete final coalgebra theorem for {ZF} set theory,
\newblock In {\em Types for Proofs and Programs: International Workshop {TYPES
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\bibitem{paulson-gr}
Paulson, L.~C., Gr\c{a}bczewski, K.,
\newblock Mechanizing set theory: Cardinal arithmetic and the axiom of choice,
\newblock {\em J. Auto. Reas.\/} (1996),
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\bibitem{pitts94}
Pitts, A.~M.,
\newblock A co-induction principle for recursively defined domains,
\newblock {\em Theoretical Comput. Sci. {\bf 124}\/} (1994), 195--219

\bibitem{rasmussen95}
Rasmussen, O.,
\newblock The {Church-Rosser} theorem in {Isabelle}: A proof porting
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\newblock Tech. Rep. 364, Computer Laboratory, University of Cambridge, May
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\bibitem{saaltink-fme}
Saaltink, M., Kromodimoeljo, S., Pase, B., Craigen, D., Meisels, I.,
\newblock An {EVES} data abstraction example,
\newblock In {\em FME '93: Industrial-Strength Formal Methods\/} (1993),
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\bibitem{slind-tfl}
Slind, K.,
\newblock Function definition in higher-order logic,
\newblock Tech. rep., T. U. Munich, 1996

\bibitem{szasz93}
Szasz, N.,
\newblock A machine checked proof that {Ackermann's} function is not primitive
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\newblock In {\em Logical Environments}, G.~Huet, G.~Plotkin, Eds. Cambridge
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\bibitem{voelker95}
V\"olker, N.,
\newblock On the representation of datatypes in {Isabelle/HOL},
\newblock In {\em Proceedings of the First Isabelle Users Workshop\/} (Sept.
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\bibitem{winskel93}
Winskel, G.,
\newblock {\em The Formal Semantics of Programming Languages},
\newblock MIT Press, 1993

\end{thebibliography}
