[isabelle-dev] Feature suggestion: apply (meth[1!])

Lawrence Paulson lp15 at cam.ac.uk
Thu Mar 14 12:26:07 CET 2013

I agree with you, and it seems a mistake to expect jEdit to do all kinds of things that could very easily be done otherwise.


On 14 Mar 2013, at 07:57, David Greenaway <david.greenaway at nicta.com.au> wrote:

> On 08/03/13 23:46, Joachim Breitner wrote:
>> Sometimes, when I’m writing apply-script style proofs, I have wanted
>> a way to modify a proof method foo to “Try foo on the first goal. If
>> it solves the goal, good, if it does not solve it, fail”.
> [...]
>> I wanted to see if I could implement such a feature myself and came up
>> with the attached patch – maybe it is already sufficient?
> Sorry to raise this thread again, but what was the outcome of this
> patch?
> Was the general concept of a "solve" tactical rejected, or just the
> particular choice of syntax / implementation? (If so, how could it be
> improved?) Or have the core developers just been busy? (I apologise if
> so!)
> I know that the conversion moved on how jEdit might additionally assist
> users in determining where a proof script became broken, but I didn't
> come to understand why this simple patch would be mutually exclusive to
> other more elaborate options.
> Cheers,
> David
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