[isabelle-dev] Name for derived quotient_def theorem

Florian Haftmann florian.haftmann at informatik.tu-muenchen.de
Wed Mar 28 21:09:07 CEST 2012

>> This is explained by looking at the history: The typedef package
>> introduces names with underscores, quotient_type and quotient_def
>> inherit this from typedef.
> This is a misunderstanding.  The names generated by »typedef« have
> always been retained »as they are«, merely for the sacrosanctity of
> Gordon Typedef.  Quotient should use the contemporary scheme.

Let me add: IMHO these are the typical things which should be repaired
*before* users get used to it.



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