[isabelle-dev] Abbreviations + Monad_Syntax introduce "unit itself" additional type variable

Makarius makarius at sketis.net
Mon Oct 14 13:11:40 CEST 2013

On Sun, 13 Oct 2013, Florian Haftmann wrote:

>>> Here a bisect would be helpful when this came to happen
>>> actually (or is it already present in Isabelle2013).
>> This one already goes wrong in Isabelle2013.
> OK.  I guess it is some variant of the ever recurring problem of »hidden
> polymorphism«.  Will take some time to figure out actually.

I've lost track of this thread.

For me the question right now: Is there anything left to do for 


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