[isabelle-dev] Gromov Hyperbolicity

Tobias Nipkow nipkow at in.tum.de
Thu Jan 18 14:31:47 CET 2018

On 18/01/2018 12:48, Lawrence Paulson wrote:
> We certainly need to solve this problem.

Absolutely. For practical reasons I would put as much in the AFP as possible, 
(One could make exceptions for small theories, but this could get out of hand 

> One possible criterion: which results 
> are part of a standard undergraduate  athematics curriculum?

It sounds like a reasonable criterion. Can you tell us what that means for 
Hausdorff_Distance, Metric_Completion and Isometries (as detailed by Fabian)?


> Larry
>> On 18 Jan 2018, at 10:06, Fabian Immler <immler at in.tum.de 
>> <mailto:immler at in.tum.de>> wrote:
>> We do not have a precise specification of what HOL-Analysis is or should be. I 
>> think that makes it very hard to draw a line between material that should go 
>> to HOL-Analysis and what should remain in the AFP. So take this as just my 
>> personal view.
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