Re: [isabelle] Handling failed proof

John Munroe wrote:
I'm wondering why the exception handling in the following doesn't
behave what I expected to.

  Goal.prove ctxt [] [] goal1
   (fn _ => auto_tac (clasimpset_of ctxt))
   handle THM _ =>

The Goal module catches the internal THM exception itself and re-raises it as a user error (exception ERROR). So the "handle THM _" does not catch it...


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