Subject: Announcing Isabelle2011 To: isabelle-users@cl.cam.ac.uk Isabelle2011 is now available. This version significantly improves upon Isabelle2009-2, see the NEWS file in the distribution for more details. Some notable changes are: * Experimental Prover IDE based on Isabelle/Scala and jEdit. * Coercive subtyping (configured in HOL/Complex_Main). * HOL code generation: Scala as another target language. * HOL: partial_function definitions. * HOL: various tool enhancements, including Quickcheck, Nitpick, Sledgehammer, SMT integration. * HOL: various additions to theory library, including HOL-Algebra, Imperative_HOL, Multivariate_Analysis, Probability. * HOLCF: reorganization of library and related tools. * HOL/SPARK: interactive proof environment for verification conditions generated by the SPARK Ada program verifier. * Improved Isabelle/Isar implementation manual (covering Isabelle/ML). You may get Isabelle2011 from the following mirror sites: Cambridge (UK) http://www.cl.cam.ac.uk/research/hvg/Isabelle/ Munich (Germany) http://isabelle.in.tum.de/ Sydney (Australia) http://mirror.cse.unsw.edu.au/pub/isabelle/