[isabelle] Announcing Isabelle2015

Isabelle2015 is now available.

This version improves upon Isabelle2014 in many ways, see the NEWS file in
the distribution for more details. Some important points are as follows.

* Improved Isabelle/jEdit Prover IDE: folding / bracket matching for Isar,
support for BibTeX files, improved graphview panel, improved scheduling for
asynchronous print commands (e.g. Sledgehammer provers).

* Support for 'private' and 'qualified' name space modifiers.

* Structural composition of proof methods (meth1; meth2) in Isar.

* HOL: BNF datatypes and codatatypes are now standard.

* HOL: numerous tool improvements: Nitpick, Sledgehammer, SMT, including a
new free (!) version of Z3.

* HOL: numerous library refinements and enhancements.

* New proof method "rewrite" for single-step rewriting with subterm
selection based on patterns.

* New Eisbach proof method language and "match" method.

* Updated manuals: datatypes, implementation, isar-ref, jedit, sledgehammer,

You may get Isabelle2015 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/

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