Hm, yes, this is confusing. We might need a new issue to update the
scope note. I think the correct class is E24 as it seems that E80 Part
Removal does not cover cases such as cutting a stalactite off in a cave.
Thanasis
On 29/11/2021 15:41, Erin Canning via Crm-sig wrote:
Hello,
I am hoping you might be able to help me with a small confusion -
The scope note for E80_Part_Removal
<https://cidoc-crm.org/Entity/e80-part-removal/version-7.1.1> states
that "This class comprises the activities that result in an instance of
E18 Physical Thing being decreased by the removal of a part." This reads
to me as if the relationship would then go: E80 > P112_diminished > E18,
as P112 creates the connection to the thing being diminished (having
something removed from it), as opposed to P113_removed, which is for the
connection to the thing that was removed.
However, the range of P112 is E24, not E18, and the scope note for
P112_diminished
<https://cidoc-crm.org/Property/p112-diminished/version-7.1.1> reads
"This property identifies the instance E24 Physical Human-Made Thing
that was diminished by an instance of E80 Part Removal."
Meanwhile, the range of P113_removed
<https://cidoc-crm.org/Property/p113-removed/version-7.1.1> is E18, as
is the range of P31_has_modified <https://cidoc-crm.org/node/8121>, the
superproperty of P112.
It seems to me therefore that either I am reading the scope note
incorrectly (very possible!) or that there is an inconsistency between
the two, perhaps in the range of P112?
I looked in the Issues history for anything about this, and wonder if
the discussion around the change of P31 (Issue 191
<https://cidoc-crm.org/Issue/ID-191-range-of-p31>) might have relevance
to either the range or language around it, as in that case the range of
P31 was relaxed from E24 to E18. Although, that being said, this
perceived E18/E24 inconsistency as described above exists as far back as
v4.0 <https://cidoc-crm.org/html/cidoc_crm_v4.0.html#E80>, the earliest
version available on the website, so perhaps it is my reading of the
scope note that is backwards...
To summarize, my question is - Which is the correct range of P112: E18
as stated in the E80 scope note or E24 as stated in the P112 scope note
and range; or am I reading this set of notes/relationships incorrectly?
Thanks for your guidance on this,
Erin Canning
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