author wenzelm
Sat, 19 Jan 2013 22:17:26 +0100
changeset 50987 616789281413
parent 47869 fa59eb662e6c
child 50991 b3c6c9ef11b8
permissions -rw-r--r--
always close derivation at the bottom of forked proofs (despite increased non-determinism of proof terms) -- improve parallel performance by avoiding dynamic dependency within large Isar proofs, e.g. Slicing/JinjaVM/SemanticsWF.thy in AFP/bf9b14cbc707;

Subject: Announcing Isabelle2012

Isabelle2012 is now available.

This version introduces many changes and improvements over
Isabelle2011-1, see the NEWS file in the distribution for more
details.  Some highlights are:

* Improved Isabelle/jEdit Prover IDE (PIDE).

* Support for block-structured specification contexts.

* Discontinued old code generator.

* Updated manuals: prog-prove, isar-ref, implementation, system.

* HOL: type 'a set is proper type constructor again.

* HOL: improved representation of numerals.

* HOL: new transfer and lifting packages, improved quotient package.

* HOL tool enhancements: Quickcheck, Nitpick, Sledgehammer.

* HOL library enhancements, including HOL-Library and HOL-Probability.

* HOL: more TPTP support.

* Re-implementation of HOL-Import for HOL-Light.

* ZF: some modernization of notation and proofs.

* System integration: improved support of Windows platform.

You may get Isabelle2012 from the following mirror sites:

  Cambridge (UK)
  Munich (Germany)
  Sydney (Australia)