Re: [isabelle-dev] NEWS: more informative errors in lazy enumerations

2012-10-17 Thread Peter Lammich
On Mi, 2012-10-17 at 11:09 +0200, Makarius wrote: *** ML *** * Type Seq.results and related operations support embedded error messages within lazy enumerations, and thus allow to provide informative errors in the absence of any usable results. Cool, no more writing of error messages to the

Re: [isabelle-dev] NEWS: more informative errors in lazy enumerations

2012-10-17 Thread Makarius
On Wed, 17 Oct 2012, Peter Lammich wrote: On Mi, 2012-10-17 at 11:09 +0200, Makarius wrote: *** ML *** * Type Seq.results and related operations support embedded error messages within lazy enumerations, and thus allow to provide informative errors in the absence of any usable results. Cool,

[isabelle-dev] 0::'a

2012-10-17 Thread Tobias Nipkow
In jedit, numerals of polymorphic type are no longer tagged with the type variable as a warning. That is an extremely helpful warning not just for beginners, it would be a pity to lose that in jedit. Tobias ___ isabelle-dev mailing list

Re: [isabelle-dev] set_comprehension_pointfree simproc losing bounds

2012-10-17 Thread Lukas Bulwahn
Hi Dmitriy, If you update to changeset 89b118c0c070, the issue should be resolved. Lukas On 10/16/2012 01:41 PM, Dmitriy Traytel wrote: Hi all, the following produces a Loose bound variable with Isabelle/4a15873c4ec9 theory Scratch imports Main begin lemma finite {y |y. ∃x. y ∈ f x}