Re: [isabelle-dev] simplifier trace (and jedit)

2012-05-23 Thread Tobias Nipkow
Am 23/05/2012 06:15, schrieb Christian Sternagel: - in the [1]Rewriting: messages, we actually just see the redex and the contractum, but not the context of a rewrite step. Why not show the whole terms? (One reason against this is the high redundancy and potentially huge size of such traces,

Re: [isabelle-dev] simplifier and subgoaler not transitive

2012-05-23 Thread Christian Urban
I am amazedby you and the simplifier! Yes, indeed one rule in question was added by mksimps. You were spot on. I never knew that they have some more-than-special meaning. ;o) The reason why I prefer to keep the freshness constraints together is that atom a # (x1, x2, x3, x4, x5) would

Re: [isabelle-dev] simplifier and subgoaler not transitive

2012-05-23 Thread Makarius
On Tue, 22 May 2012, Christian Urban wrote: Assuming that this is about the bowels of the simplifier, I hope this is the right place to ask the following question. From what I've seen on the thread so far, it is all perfectly normal Isabelle user-space. You did not propose to re-implement

Re: [isabelle-dev] simplifier trace (and jedit)

2012-05-23 Thread Makarius
On Wed, 23 May 2012, Christian Sternagel wrote: 3) Furthermore, in my course I recommend students (which know about term rewriting before) to have a look at the simplifier trace whenever the simplifier does something unexpected or does not terminate. However, for the latter use-case (i.e.,

Re: [isabelle-dev] simplifier trace (and jedit)

2012-05-23 Thread Christian Sternagel
On 05/23/2012 10:38 PM, Makarius wrote: On Wed, 23 May 2012, Christian Sternagel wrote: 3) Furthermore, in my course I recommend students (which know about term rewriting before) to have a look at the simplifier trace whenever the simplifier does something unexpected or does not terminate.