Sorry, I'm not familiar with the "developer" workflow. I do have a
cloned hg repo of Isabelle (from
http://isabelle.in.tum.de/repos/isabelle), but I don't see an
IsaMakefile (which would be required for "isabelle make all"). Where is
this IsaMakefile located?
cheers
chris
On 04/03/2012 02:51 AM, Florian Haftmann wrote:
Hi Christian,
this has been added in
http://isabelle.in.tum.de/testboard/Isabelle/rev/69cee87927f0 – you can
transfer theorems from the set relations in an ad-hoc using [to_pred].
You can also prove theorems for pred relations by means of … by (fact …
[to_pred]), as has been done in many places of theory Relation. This
could also be a contribution to the Isabelle theories for the next
release.
I do not fully understand. I see how [to_pred] can be used to "transfer"
results, but what kind of theorems are you referring to? Do you mean to
do this for every theorem on relations to have an equivalent for binary
predicates?
well, I suggest to augment the existing theory with lemmas transferred
from relpow to relpowp to emphasize that both worlds exists and that
lemmas can be found easier by find_theorems. The typical pattern is
lemma foo_relpow: …
<proof>
lemma foo_relpowp: …
by (fact foo_relpow [to_pred])
I will give it a try. Anyway, how would I "commit" such a contribution?
Sending a patch to the mailing list? And is it enough that "./build -b
HOL" works or are there any other places I have to consider (e.g., the
AFP)?
Well, you could check with an check an »isabelle make all«, send the
patch to the mailing list, and somebody else would take care for AFP
and the remaining technicalities. You could also clone the existing hg
http://isabelle.in.tum.de/reports/Isabelle and provide an URL to import
your patch from. Or think of whatever workflow hg offers.
Cheers,
Florian
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