Hi,

Is the constraint (and the warning) wrong or is it your statement?
I'm pretty sure this is the second. The ideal category should be
"Category:Cows in heraldry" not "Category:Heraldic figures" (which is
already use on https://www.wikidata.org/wiki/Q3744866 ).

Cheers, ~nicolas

Le mer. 27 févr. 2019 à 19:02, Thad Guidry <[email protected]> a écrit :

> When dealing with Wikipedia Categories and placing statements about a
> "topic's main category" P910
> <https://www.wikidata.org/wiki/Property:P910>
> on a symbolic representation topic of "cow" here
> https://www.wikidata.org/wiki/Q4007160
>
> A Potential Issue appeared today that puzzled me:
> "Category:Heraldic figures" should also have the inverse statement
> "category's main topic `cow`"
>
> Category:Heraldic figures is much more about just "cow's".  And so I
> wouldn't want to say that the category's main topic is "cow" !
> I would think that many categories "could" always be about many things,
> and so this inverse property constraint on P910 seems overly protective *and
> also seems to be encouraging users to add bad, erroneous information.*
>
> So, I wonder if this constraint should be removed or special cased somehow
> somewhere or at some level elsewhere?
>
> See attached screenshot.
>
> Thad
> https://www.linkedin.com/in/thadguidry/
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