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Subject: Announcing Isabelle99-1
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To: isabelle-users@cl.cam.ac.uk
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Isabelle99-1 is now available. This release continues the line of
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Isabelle99, introducing numerous improvements, both internal and user
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visible.
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In particular, great care has been taken to improve robustness and
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ease use and installation of the complete Isabelle working
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environment. This includes Proof General user interface support, WWW
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presentation of theories and the Isabelle document preparation system.
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The most prominent highlights of Isabelle99-1 are as follows.
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* Isabelle/Isar improvements (Markus Wenzel)
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o Support of tactic-emulation scripts for easy porting of legacy ML
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scripts (see also the HOL/Lambda example).
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o Better support for scalable verification tasks (manage large
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contexts in induction, generalized existence reasoning etc.)
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o Hindley-Milner polymorphism for proof texts.
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o More robust document preparation, better LaTeX output due to
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fake math-mode.
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o Extended "Isabelle/Isar Reference Manual".
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* HOL/Algebra (Clemens Ballarin)
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Rings and univariate polynomials.
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* HOL/BCV (Tobias Nipkow)
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Generic model of bytecode verification, i.e. data-flow
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analysis for assembly languages with subtypes.
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* HOL/IMPP (David von Oheimb)
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Extension of IMP with local variables and mutually recursive
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procedures.
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* HOL/Isar_examples (Markus Wenzel)
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More examples, including a formulation of Hoare Logic in Isabelle/Isar.
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* HOL/Lambda (Stefan Berghofer and Tobias Nipkow)
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More on termination of simply-typed lambda-terms; converted into
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an Isabelle/Isar tactic emulation script.
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* HOL/Lattice (Markus Wenzel)
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Lattices and orders in Isabelle/Isar.
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* HOL/MicroJava (Gerwin Klein, Tobias Nipkow, David von Oheimb, and
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Cornelia Pusch)
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Formalization of a fragment of Java, together with a corresponding
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virtual machine and a specification of its bytecode verifier and a
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lightweight bytecode verifier, including proofs of type-safety.
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* HOL/NumberTheory (Thomas Rasmussen)
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Fundamental Theorem of Arithmetic, Chinese Remainder Theorem,
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Fermat/Euler Theorem, Wilson's Theorem.
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* HOL/Real (Jacques Fleuriot)
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More on nonstandard real analysis.
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* HOL/Prolog (David von Oheimb)
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A (bare-bones) implementation of Lambda-Prolog.
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See the NEWS file distributed with Isabelle for more details.
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You may get Isabelle99-1 from any of the following mirror sites:
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Cambridge (UK) http://www.cl.cam.ac.uk/Research/HVG/Isabelle/dist/
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Munich (Germany) http://isabelle.in.tum.de/dist/
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New Jersey (USA) ftp://ftp.research.bell-labs.com/dist/smlnj/isabelle/index.html
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Stanford (USA) ftp://rodin.stanford.edu/pub/smlnj/isabelle/index.html
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