X-Git-Url: https://git.ladys.computer/Vocab/blobdiff_plain/91b1805cbc1b68e892c8ea96a4320faff21fef21..fa54a26ecb8791f2f19e0ccf2b56b746126b2aba:/data/classes/pcdm%C2%A6Object

diff --git "a/data/classes/pcdm\302\246Object" "b/data/classes/pcdm\302\246Object"
index 884dcd0..2d23008 100644
--- "a/data/classes/pcdm\302\246Object"
+++ "b/data/classes/pcdm\302\246Object"
@@ -8,13 +8,16 @@ SPDX-License-Identifier: CC0-1.0
 	<label xml:lang="en">Object</label>
 	<comment xml:lang="en">
 		<p>
-			A kind of <ref target="ore:Aggregation">Aggregation</ref> representing an intellectual entity of some kind.
+			An <ref target="ore:Aggregation">Aggregation</ref> representing an intellectual entity of some kind.
 		</p>
 		<p>
 			Objects may <ref target="pcdm:hasMember">have member</ref> Objects (but not Collections) and may also <ref target="pcdm:hasFile">have</ref> <ref target="pcdm:File">Files</ref>.
+			The <ptr target="pcdmworks:Work"/> and <ptr target="pcdmworks:FileSet"/> subclasses provide a more sophisticated modelling.
 		</p>
 		<p>
-			The <ptr target="pcdmworks:Work"/> and <ptr target="pcdmworks:FileSet"/> subclasses provide a more sophisticated modelling.
+			<ptr target="(PCDM)"/> defines semantics for <ptr target="rel:first" type="property"/> and <ptr target="rel:last" type="property"/> (to point to a <ref target="ore:Proxy">Proxy</ref> of the first member), but this is confused:
+			These terms are meant to be used for horizontal linking between aggregation members, not vertical linking between aggregations and the things they aggregate.
+			Consequently, the usage of these properties with Objects is not recommended by this ontology.
 		</p>
 	</comment>
 	<isDefinedBy>