Fix typo
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@ -772,18 +772,18 @@ text\<open>
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Any class definition generates term antiquotations checking a class instance or
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to the set of instances in a particular logical context; these references were
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elaborated to objects they refer to.
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This paves the way for new mechanism query the "current" instances presented as a
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This paves the way for a new mechanism to query the ``current'' instances presented as a
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list of \<^hol> \<^type>\<open>list\<close>.
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Arbitrarily Complex queries can therefore be defined inside the logical language.
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Thus, to get the list of the properties of the instances of the class \<^typ>\<open>myresult\<close>,
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it suffices to get list of the authors of the instances of the \<^typ>\<open>myintroduction\<close> class,
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it suffices to get the list of the authors of the instances of the \<^typ>\<open>myintroduction\<close> class,
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and to treat this meta-data as usual:
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@{theory_text [display,indent=5, margin=70] \<open>
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value*\<open>map (myresult.property) @{myresult-instances}\<close>
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value*\<open>map (mytext_section.authored_by) @{myintroduction-instances}\<close>
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\<close>}
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In order to get the list of the instances of the class \<^typ>\<open>myresult\<close>
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whose \<^const>\<open>evidence\<close> is a \<^const>\<open>proof\<close>, on can use the command:
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whose \<^const>\<open>evidence\<close> is a \<^const>\<open>proof\<close>, one can use the command:
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@{theory_text [display,indent=5, margin=70] \<open>
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value*\<open>filter (\<lambda>\<sigma>. myresult.evidence \<sigma> = proof) @{myresult-instances}\<close>
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\<close>}
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@ -904,7 +904,7 @@ The \<^dof> framework does not assume that all documents refer to the same ontol
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Each document may even build its local ontology without any external reference.
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It may also be based on several reference ontologies (\<^eg>, from the \<^dof> library).
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Since ontological instances posses \<^emph>\<open>representations inside the logic\<close>,
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Since ontological instances possess \<^emph>\<open>representations inside the logic\<close>,
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the relationship between a local ontology and a reference ontology can be formalised
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using a morphism function also inside the logic.
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More precisely, the instances of local ontology classes may be described as the image of a
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