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

David Greenaway david.greenaway at nicta.com.au
Thu Mar 14 08:57:11 CET 2013

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

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

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.



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