more standard module name Axclass (according to file name);
Subject: Announcing Isabelle2013To: isabelle-users@cl.cam.ac.ukIsabelle2013 is now available.This version consolidates Isabelle2012 and introduces numerousimprovements, see the NEWS file in the distribution for more details.Some highlights are:* Improvements of Isabelle/Scala and Isabelle/jEdit Prover IDE.* Advanced build tool based on Isabelle/Scala.* Updated manuals: isar-ref, implementation, system.* Pure: improved support for block-structured specification contexts.* HOL tool enhancements: Sledgehammer, Lifting, Quickcheck.* HOL library enhancements: HOL-Library, HOL-Probability, HOL-Cardinals.* HOL: New BNF-based (co)datatype package.* Improved performance thanks to Poly/ML 5.5.0.You may get Isabelle2013 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/