On Tue, 21 Apr 2015, Gerwin Klein wrote:
I’m pretty much poking in the dark here, though. I briefly looked at the code of the induct method and then remembered why I never wanted to do that again..
I know what you mean. I started the "cases" and "induct" methods many years ago, but piled up only half of the cumulative features that make it now close to intractable.
I still do hope that the normal "convergence principle" of Isabelle development can be applied eventually, to re-integrate the forks and variations that have emerged in recent years. This also applies to the relatively new "co" versions.
Makarius
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