Re: [isabelle-dev] Relations vs. Predicates

2012-04-04 Thread Christian Sternagel
Hi Lukas, thanks for testing! (Sorry for the late reply, currently my internet-connectivity is rather sporadic ;)). Please find attached a hg bundle that does the name change 'rel_comp -> relcomp' for the AFP. cheers chris On 04/04/2012 07:30 PM, Lukas Bulwahn wrote: Hi Chris, I have test

Re: [isabelle-dev] isabelle test failed -- HOL-Library-Codegenerator_Test

2012-04-04 Thread Makarius
On Tue, 3 Apr 2012, Florian Haftmann wrote: Am 02.04.2012 13:36, schrieb Florian Haftmann: /mnt/home/isatest/isadist/Isabelle_02-Apr-2012/lib/scripts/run-polyml: line 77: 27590 Killed "$POLY" -q $ML_OPTIONS *** Code check failed for SML: "$ISABELLE_PROCESS" -r -q -u Pure *** At command "expor

Re: [isabelle-dev] [isabelle] Confusing behavior of a paired set comprehension

2012-04-04 Thread Makarius
On Wed, 4 Apr 2012, Tobias Nipkow wrote: Am 04/04/2012 11:48, schrieb Tjark Weber: Adhering to the principle of least astonishment, I suspect an error message (or at least a warning) would be more helpful. Isabelle's well-tried principle of least astonishment is not to give too many helpful

Re: [isabelle-dev] Relations vs. Predicates

2012-04-04 Thread Lukas Bulwahn
Hi Chris, I have tested your changeset on the testboard, and a couple of AFP theories break, cf. http://isabelle.in.tum.de/testboard/Isabelle/report/edd1df5c8daf4109a6366801aaeff7fd (Some errors are due to your changes, some are due to current work of others.) It might be good to provide some

Re: [isabelle-dev] [isabelle] Confusing behavior of a paired set comprehension

2012-04-04 Thread Tobias Nipkow
Am 04/04/2012 11:48, schrieb Tjark Weber: > Adhering to the principle of least astonishment, I suspect an error > message (or at least a warning) would be more helpful. Isabelle's well-tried principle of least astonishment is not to give too many helpful error messages or warnings ;-) Actually, i

Re: [isabelle-dev] [isabelle] Confusing behavior of a paired set comprehension

2012-04-04 Thread Tjark Weber
On Wed, 2012-04-04 at 11:19 +0200, Tobias Nipkow wrote: > No, a feature. Patterns may not contain repeated variables. But this is not being enforced; instead, repeated variables are silently renamed. Adhering to the principle of least astonishment, I suspect an error message (or at least a warnin

[isabelle-dev] New tutorial Programming and Proving in Isabelle/HOL

2012-04-04 Thread Tobias Nipkow
An updated announcement of a new tutorial in the development version of Isabelle. Comments welcome! [If it does not build on your own machine, your tex distribution probably lacks the eulervm package.] * New tutorial "Programming and Proving in Isabelle/HOL". It completely supercedes "A Tutorial I

Re: [isabelle-dev] New manual Programming and Proving in Isabelle/HOL

2012-04-04 Thread Tobias Nipkow
Am 03/04/2012 22:51, schrieb Florian Haftmann: >>> I'm indedd quite curious, but unable to build the tex sources. The >>> first error complains about a missing »eulervm.sty«, with lot of >>> further messages following. >> >> You mean you couldn't run the tex sources? Unfortunately I can confirm >

Re: [isabelle-dev] Relations vs. Predicates

2012-04-04 Thread Christian Sternagel
Hi all, On 03/31/2012 01:10 AM, Florian Haftmann wrote: PS: I suggest to rename "rel_comp" into "relcomp" (to be consistent with "relpow"). This would also mean to rename the corresponding lemmas, although I would also appreciate consistency. Also the »pred_comp« abbreviation should be droppe