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Nicolas Méric 2022-02-09 12:13:36 +01:00
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@ -1180,7 +1180,7 @@ onto_class assoc_Method_Problem =
text\<open>
The \<^emph>\<open>OntoMath\textsuperscript{PRO}\<close> ontology~@{cite "Nevzorova2014OntoMathPO"}
is an OWL ontology of mathematical knowledge concepts.
It possesses the IS-A semantics for hierarchies of mathematical knowledge elements,
It possesses the \<^emph>\<open>is-a\<close> semantics for hierarchies of mathematical knowledge elements,
and defines these elements as two hierarchies of classes:
a taxonomy of the fields of mathematics and a taxonomy of mathematical knowledge objects.
It defines two main type of relations for these two taxonomies: