[isabelle-dev] comm_monoid, comm_monoid_set in bbcb05504fdc

Florian Haftmann florian.haftmann at informatik.tu-muenchen.de
Thu Aug 11 09:10:27 CEST 2016

See now 7faa9bf9860b for a related issue.

We had a personal conversation that it is very likely that the remaning
issues will disappear after the next big envisaged reform of the
analysis material.


Am 07.08.2016 um 10:47 schrieb Florian Haftmann:
> Hi Johannes,
> that change had probably more pervasive effects than intended.  E.g. the
> definition
> definition (in comm_monoid) operative …
> and its basic lemmas now produce the following soup of theorems
> thm inf_top.operative_def sup_bot.operative_def add.operative_def
> mult.operative_def gcd_nat.operative_def inf_top.operativeD
> sup_bot.operativeD add.operativeD mult.operativeD gcd_nat.operativeD
> inf_top.operative_empty sup_bot.operative_empty add.operative_empty
> mult.operative_empty gcd_nat.operative_empty add.comm_monoid_lift_option
> mult.comm_monoid_lift_option inf_top.comm_monoid_lift_option
> sup_bot.comm_monoid_lift_option gcd_nat.comm_monoid_lift_option
> I will be in Garching on Tue and have already some ideas in the pocket
> how to improve that which we could discuss then.
> Cheers,
> 	Florian
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