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<!DOCTYPE rdf:RDF [
     <!ENTITY ocyc "http://sw.opencyc.org/concept/" >
     <!ENTITY cyc  "http://sw.cyc.com/concept/" >
     <!ENTITY rdf  "http://www.w3.org/1999/02/22-rdf-syntax-ns#" >
     <!ENTITY rdfs "http://www.w3.org/2000/01/rdf-schema#" >
     <!ENTITY xsd  "http://www.w3.org/2001/XMLSchema#" >
     <!ENTITY owl  "http://www.w3.org/2002/07/owl#" >
   ]>

<rdf:RDF xml:base="http://sw.opencyc.org/2008/06/10/concept/"
         xmlns="http://sw.opencyc.org/2008/06/10/concept/"
         xmlns:cycAnnot="http://sw.cyc.com/CycAnnotations_v1#"
         xmlns:rdf="&rdf;"
         xmlns:rdfs="&rdfs;"
         xmlns:owl="&owl;"
         xmlns:xsd="&xsd;">

  <owl:Ontology rdf:about="http://sw.opencyc.org/2008/06/10/concept/">
    <owl:versionInfo>2008/06/10</owl:versionInfo>
    <rdfs:comment xml:lang="en">

      OpenCyc Knowledge Base

      Copyright© 2001-2008 Cycorp, Inc., http://www.cyc.com/, Austin, TX, USA

      This file contains an OWL representation of information contained 
      in the OpenCyc Knowledge Base. The content of this OWL file is 
      licensed under the Creative Commons Attribution 3.0 license whose 
      text can be found at http://creativecommons.org/licenses/by/3.0/legalcode. 
      The content of this OWL file, including the OpenCyc content it represents, 
      constitutes the "Work" referred to in the Creative Commons license. The terms of 
      this license equally apply to, without limitation, renamings and other 
      logically equivalent reformulations of the content of this OWL file 
      (or portions thereof) in any natural or formal language, as well 
      as to derivations of this content or inclusion of it in other ontologies.

    </rdfs:comment>
  </owl:Ontology>

  <owl:AnnotationProperty rdf:about="http://sw.cyc.com/CycAnnotations_v1#externalID">
    <rdfs:label xml:lang="en">externalID</rdfs:label>
    <rdfs:comment xml:lang="en">
      A unique, language-neutral, variable-sized identifier
      for a concept that can be used to refer unambiguously to that concept across 
      OWL exports or across Cyc inference engines.
    </rdfs:comment>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#FunctionalProperty"/>
  </owl:AnnotationProperty>

  <owl:AnnotationProperty rdf:about="http://sw.cyc.com/CycAnnotations_v1#label">
    <rdfs:label xml:lang="en">label</rdfs:label>
    <rdfs:comment xml:lang="en">
      A natural-language representation for a concept that is both human 
      readable and readable by the Cyc inference engine. These terms are not 
      guaranteed to refer to the same concept across time but are guaranteed to
      be consistent within a particular OWL export. Use 'cycAnnot:externalID'
      for unambiguously referring to a concept across OWL exports or across Cyc
      inference engines.
    </rdfs:comment>
  </owl:AnnotationProperty>

  <owl:Class rdf:about="Mx4rvViR75wpEbGdrcN5Y29ycA">
    <cycAnnot:label xml:lang="en">Atom</cycAnnot:label>
    <rdfs:label xml:lang="en">atom</rdfs:label>
    <rdfs:comment xml:lang="en">A specialization of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViRapwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;ChemicalObject&lt;/a&gt;. Each instance of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViR75wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Atom&lt;/a&gt; is a microscopic-scale object with exactly one atomic nucleus (see &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvVij2ZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;AtomicNucleus&lt;/a&gt;) and some number of electrons (see &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViB05wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Electron&lt;/a&gt;).  A typical instance of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViR75wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Atom&lt;/a&gt; has no net charge, i.e., it has as many instances of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViB05wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Electron&lt;/a&gt; as it does of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViBTZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Proton&lt;/a&gt;.  For the collection of atoms that do have non-zero charges, see &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rcZxrqookEdaAAAACs0uFOQ&quot; class=&quot;cyc_term&quot;&gt;MonoatomicIon&lt;/a&gt;.</rdfs:comment>
    <rdfs:subClassOf rdf:resource="Mx4rvViRapwpEbGdrcN5Y29ycA"/>
    <rdf:type rdf:resource="Mx4rvWXYgJwpEbGdrcN5Y29ycA"/>
    <rdf:type rdf:resource="Mx4r58YtYmJsQdiQUoD0e6Pixw"/>
    <rdf:type rdf:resource="Mx4rYfyNVM4uEdqAAAACs2IKaQ"/>
    <owl:sameAs rdf:resource="&ocyc;Mx4rvViR75wpEbGdrcN5Y29ycA"/>
    <owl:sameAs rdf:resource="http://umbel.org/umbel/sc/Atom"/>
    <owl:sameAs rdf:resource="http://www.w3.org/2006/03/wn/wn20/instances/synset-atom-noun-1"/>
    <owl:sameAs rdf:resource="&cyc;Mx4rvViR75wpEbGdrcN5Y29ycA"/>
    <owl:sameAs rdf:resource="http://dbpedia.org/resource/Atom"/>
    <wikipediaArticleURL>http://en.wikipedia.org/wiki/Atom</wikipediaArticleURL>
    <Mx4rwLSVCpwpEbGdrcN5Y29ycA xml:lang="en">atoms</Mx4rwLSVCpwpEbGdrcN5Y29ycA>
  </owl:Class>

  <owl:Class rdf:about="Mx8Ngh4rwPzyhJwpEbGdrcN5Y29ycB4rvVj8apwpEbGdrcN5Y29ycA">
    <rdfs:subClassOf rdf:resource="Mx4rvViR75wpEbGdrcN5Y29ycA"/>
    <rdfs:label xml:lang="en">nitrogen atom</rdfs:label>
    <cycAnnot:label xml:lang="en">(AtomFn Nitrogen)</cycAnnot:label>
  </owl:Class>

  <owl:Class rdf:about="Mx8Ngh4rwPzyhJwpEbGdrcN5Y29ycB4rvVjKhZwpEbGdrcN5Y29ycA">
    <rdfs:subClassOf rdf:resource="Mx4rvViR75wpEbGdrcN5Y29ycA"/>
    <rdfs:label xml:lang="en">tin atom</rdfs:label>
    <cycAnnot:label xml:lang="en">(AtomFn Tin)</cycAnnot:label>
  </owl:Class>

  <owl:Class rdf:about="Mx8Ngh4rwPzyhJwpEbGdrcN5Y29ycB4rvVjie5wpEbGdrcN5Y29ycA">
    <rdfs:subClassOf rdf:resource="Mx4rvViR75wpEbGdrcN5Y29ycA"/>
    <rdfs:label xml:lang="en">chromium atom</rdfs:label>
    <cycAnnot:label xml:lang="en">(AtomFn Chromium)</cycAnnot:label>
  </owl:Class>

  <owl:Class rdf:about="Mx8Ngh4rwPzyhJwpEbGdrcN5Y29ycB4rvVjrUZwpEbGdrcN5Y29ycA">
    <rdfs:subClassOf rdf:resource="Mx4rvViR75wpEbGdrcN5Y29ycA"/>
    <rdfs:label xml:lang="en">strontium atom</rdfs:label>
    <cycAnnot:label xml:lang="en">(AtomFn Strontium)</cycAnnot:label>
  </owl:Class>

  <owl:Class rdf:about="Mx8Ngh4rwPzyhJwpEbGdrcN5Y29ycB4rvVj8dJwpEbGdrcN5Y29ycA">
    <rdfs:subClassOf rdf:resource="Mx4rvViR75wpEbGdrcN5Y29ycA"/>
    <rdfs:label xml:lang="en">iodine atom</rdfs:label>
    <cycAnnot:label xml:lang="en">(AtomFn Iodine)</cycAnnot:label>
  </owl:Class>

  <owl:Class rdf:about="Mx8Ngh4rwPzyhJwpEbGdrcN5Y29ycB4rvVj0tJwpEbGdrcN5Y29ycA">
    <rdfs:subClassOf rdf:resource="Mx4rvViR75wpEbGdrcN5Y29ycA"/>
    <rdfs:label xml:lang="en">silver atom</rdfs:label>
    <cycAnnot:label xml:lang="en">(AtomFn Silver)</cycAnnot:label>
  </owl:Class>

  <owl:Class rdf:about="Mx8Ngh4rwPzyhJwpEbGdrcN5Y29ycB4rvVi1L5wpEbGdrcN5Y29ycA">
    <rdfs:subClassOf rdf:resource="Mx4rvViR75wpEbGdrcN5Y29ycA"/>
    <rdfs:label xml:lang="en">selenium atom</rdfs:label>
    <cycAnnot:label xml:lang="en">(AtomFn Selenium)</cycAnnot:label>
  </owl:Class>

  <owl:Class rdf:about="Mx8Ngh4rwPzyhJwpEbGdrcN5Y29ycB4rvViZTZwpEbGdrcN5Y29ycA">
    <rdfs:subClassOf rdf:resource="Mx4rvViR75wpEbGdrcN5Y29ycA"/>
    <rdfs:label xml:lang="en">mercury atom</rdfs:label>
    <cycAnnot:label xml:lang="en">(AtomFn Mercury)</cycAnnot:label>
  </owl:Class>

  <owl:Class rdf:about="Mx8Ngh4rwPzyhJwpEbGdrcN5Y29ycB4rvVjKRJwpEbGdrcN5Y29ycA">
    <rdfs:subClassOf rdf:resource="Mx4rvViR75wpEbGdrcN5Y29ycA"/>
    <rdfs:label xml:lang="en">iron atom</rdfs:label>
    <cycAnnot:label xml:lang="en">(AtomFn Iron)</cycAnnot:label>
  </owl:Class>

  <owl:Class rdf:about="Mx8Ngh4rwPzyhJwpEbGdrcN5Y29ycB4rvVjBcpwpEbGdrcN5Y29ycA">
    <rdfs:subClassOf rdf:resource="Mx4rvViR75wpEbGdrcN5Y29ycA"/>
    <cycAnnot:label xml:lang="en">(AtomFn Cesium)</cycAnnot:label>
    <rdfs:label xml:lang="en">cesium atom</rdfs:label>
  </owl:Class>

  <owl:Class rdf:about="Mx8Ngh4rwPzyhJwpEbGdrcN5Y29ycB4rvVj8KJwpEbGdrcN5Y29ycA">
    <rdfs:subClassOf rdf:resource="Mx4rvViR75wpEbGdrcN5Y29ycA"/>
    <rdfs:label xml:lang="en">fluorine atom</rdfs:label>
    <cycAnnot:label xml:lang="en">(AtomFn Fluorine)</cycAnnot:label>
  </owl:Class>

  <owl:Class rdf:about="Mx8Ngh4rwPzyhJwpEbGdrcN5Y29ycB4rvVj9SJwpEbGdrcN5Y29ycA">
    <rdfs:subClassOf rdf:resource="Mx4rvViR75wpEbGdrcN5Y29ycA"/>
    <rdfs:label xml:lang="en">bromine atom</rdfs:label>
    <cycAnnot:label xml:lang="en">(AtomFn Bromine)</cycAnnot:label>
  </owl:Class>

  <owl:Class rdf:about="Mx8Ngh4rwPzyhJwpEbGdrcN5Y29ycB4rvVkK_ZwpEbGdrcN5Y29ycA">
    <rdfs:subClassOf rdf:resource="Mx4rvViR75wpEbGdrcN5Y29ycA"/>
    <rdfs:label xml:lang="en">lead atom</rdfs:label>
    <cycAnnot:label xml:lang="en">(AtomFn Lead)</cycAnnot:label>
  </owl:Class>

  <owl:Class rdf:about="Mx8Ngh4rwPzyhJwpEbGdrcN5Y29ycB4rvVjm3JwpEbGdrcN5Y29ycA">
    <rdfs:subClassOf rdf:resource="Mx4rvViR75wpEbGdrcN5Y29ycA"/>
    <cycAnnot:label xml:lang="en">(AtomFn Sulfur)</cycAnnot:label>
    <rdfs:label xml:lang="en">sulfur atom</rdfs:label>
  </owl:Class>

  <owl:Class rdf:about="Mx8Ngh4rwPzyhJwpEbGdrcN5Y29ycB4rvVjivZwpEbGdrcN5Y29ycA">
    <rdfs:subClassOf rdf:resource="Mx4rvViR75wpEbGdrcN5Y29ycA"/>
    <cycAnnot:label xml:lang="en">(AtomFn Manganese)</cycAnnot:label>
    <rdfs:label xml:lang="en">manganese atom</rdfs:label>
  </owl:Class>

  <owl:Class rdf:about="Mx8Ngh4rwPzyhJwpEbGdrcN5Y29ycB4rvVkGTJwpEbGdrcN5Y29ycA">
    <rdfs:subClassOf rdf:resource="Mx4rvViR75wpEbGdrcN5Y29ycA"/>
    <rdfs:label xml:lang="en">barium atom</rdfs:label>
    <cycAnnot:label xml:lang="en">(AtomFn Barium)</cycAnnot:label>
  </owl:Class>

  <owl:Class rdf:about="Mx8Ngh4rwPzyhJwpEbGdrcN5Y29ycB4rvVifsZwpEbGdrcN5Y29ycA">
    <rdfs:subClassOf rdf:resource="Mx4rvViR75wpEbGdrcN5Y29ycA"/>
    <rdfs:label xml:lang="en">cadmium atom</rdfs:label>
    <cycAnnot:label xml:lang="en">(AtomFn Cadmium)</cycAnnot:label>
  </owl:Class>

  <owl:Class rdf:about="Mx8Ngh4rwPzyhJwpEbGdrcN5Y29ycB4rvVkGhJwpEbGdrcN5Y29ycA">
    <rdfs:subClassOf rdf:resource="Mx4rvViR75wpEbGdrcN5Y29ycA"/>
    <cycAnnot:label xml:lang="en">(AtomFn Radium)</cycAnnot:label>
    <rdfs:label xml:lang="en">radium atom</rdfs:label>
  </owl:Class>

  <owl:Class rdf:about="Mx4rLuQPkOFcQdaZ-8faD0ksmg">
    <rdfs:subClassOf rdf:resource="Mx4rvViR75wpEbGdrcN5Y29ycA"/>
    <cycAnnot:label xml:lang="en">Radionuclide</cycAnnot:label>
    <rdfs:label xml:lang="en">radionuclides</rdfs:label>
    <rdfs:comment xml:lang="en">The collection of radioactive nuclides.</rdfs:comment>
  </owl:Class>

  <owl:Class rdf:about="Mx8Ngh4rwPzyhJwpEbGdrcN5Y29ycB4rvVkB5ZwpEbGdrcN5Y29ycA">
    <rdfs:subClassOf rdf:resource="Mx4rvViR75wpEbGdrcN5Y29ycA"/>
    <cycAnnot:label xml:lang="en">(AtomFn Nickel)</cycAnnot:label>
    <rdfs:label xml:lang="en">nickel atom</rdfs:label>
  </owl:Class>

  <owl:Class rdf:about="Mx8Ngh4rwPzyhJwpEbGdrcN5Y29ycB4rvVigNJwpEbGdrcN5Y29ycA">
    <rdfs:subClassOf rdf:resource="Mx4rvViR75wpEbGdrcN5Y29ycA"/>
    <rdfs:label xml:lang="en">gold atom</rdfs:label>
    <cycAnnot:label xml:lang="en">(AtomFn Gold)</cycAnnot:label>
  </owl:Class>

  <owl:Class rdf:about="Mx8Ngh4rwPzyhJwpEbGdrcN5Y29ycB4rvVkI5pwpEbGdrcN5Y29ycA">
    <rdfs:subClassOf rdf:resource="Mx4rvViR75wpEbGdrcN5Y29ycA"/>
    <rdfs:label xml:lang="en">potassium atom</rdfs:label>
    <cycAnnot:label xml:lang="en">(AtomFn Potassium)</cycAnnot:label>
  </owl:Class>

  <owl:Class rdf:about="Mx8Ngh4rwPzyhJwpEbGdrcN5Y29ycB4rvVjIQpwpEbGdrcN5Y29ycA">
    <rdfs:subClassOf rdf:resource="Mx4rvViR75wpEbGdrcN5Y29ycA"/>
    <cycAnnot:label xml:lang="en">(AtomFn Carbon)</cycAnnot:label>
    <rdfs:label xml:lang="en">carbon atom</rdfs:label>
  </owl:Class>

  <owl:Class rdf:about="Mx8Ngh4rwPzyhJwpEbGdrcN5Y29ycB4rvViRh5wpEbGdrcN5Y29ycA">
    <rdfs:subClassOf rdf:resource="Mx4rvViR75wpEbGdrcN5Y29ycA"/>
    <rdfs:label xml:lang="en">beryllium atom</rdfs:label>
    <cycAnnot:label xml:lang="en">(AtomFn Beryllium)</cycAnnot:label>
  </owl:Class>

  <owl:Class rdf:about="Mx8Ngh4rwPzyhJwpEbGdrcN5Y29ycB4rvViyo5wpEbGdrcN5Y29ycA">
    <rdfs:subClassOf rdf:resource="Mx4rvViR75wpEbGdrcN5Y29ycA"/>
    <cycAnnot:label xml:lang="en">(AtomFn Calcium)</cycAnnot:label>
    <rdfs:label xml:lang="en">calcium atom</rdfs:label>
  </owl:Class>

  <owl:Class rdf:about="Mx8Ngh4rwPzyhJwpEbGdrcN5Y29ycB4rvVjWvZwpEbGdrcN5Y29ycA">
    <rdfs:subClassOf rdf:resource="Mx4rvViR75wpEbGdrcN5Y29ycA"/>
    <rdfs:label xml:lang="en">chlorine atom</rdfs:label>
    <cycAnnot:label xml:lang="en">(AtomFn Chlorine)</cycAnnot:label>
  </owl:Class>

  <owl:Class rdf:about="Mx8Ngh4rwPzyhJwpEbGdrcN5Y29ycB4rvVkBUpwpEbGdrcN5Y29ycA">
    <rdfs:subClassOf rdf:resource="Mx4rvViR75wpEbGdrcN5Y29ycA"/>
    <cycAnnot:label xml:lang="en">(AtomFn Lithium)</cycAnnot:label>
    <rdfs:label xml:lang="en">lithium atom</rdfs:label>
  </owl:Class>

  <owl:Class rdf:about="Mx4rcZxrqookEdaAAAACs0uFOQ">
    <rdfs:subClassOf rdf:resource="Mx4rvViR75wpEbGdrcN5Y29ycA"/>
    <rdfs:label xml:lang="en">atomic ion</rdfs:label>
    <cycAnnot:label xml:lang="en">MonoatomicIon</cycAnnot:label>
    <rdfs:comment xml:lang="en">A specialization of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViR75wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Atom&lt;/a&gt; and &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rwPuuOZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Ion&lt;/a&gt;.  Each instance of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rcZxrqookEdaAAAACs0uFOQ&quot; class=&quot;cyc_term&quot;&gt;MonoatomicIon&lt;/a&gt; is an atom with a net positive or negative electrical charge, as a consequense of having an imbalance of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViBTZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Proton&lt;/a&gt;s and &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViB05wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Electron&lt;/a&gt;s.</rdfs:comment>
  </owl:Class>

  <owl:Class rdf:about="Mx8Ngh4rwPzyhJwpEbGdrcN5Y29ycB4rvVjUBpwpEbGdrcN5Y29ycA">
    <rdfs:subClassOf rdf:resource="Mx4rvViR75wpEbGdrcN5Y29ycA"/>
    <cycAnnot:label xml:lang="en">(AtomFn Sodium)</cycAnnot:label>
    <rdfs:label xml:lang="en">sodium atom</rdfs:label>
  </owl:Class>

  <owl:Class rdf:about="Mx8Ngh4rwPzyhJwpEbGdrcN5Y29ycB4rvVkIV5wpEbGdrcN5Y29ycA">
    <rdfs:subClassOf rdf:resource="Mx4rvViR75wpEbGdrcN5Y29ycA"/>
    <cycAnnot:label xml:lang="en">(AtomFn Bismuth)</cycAnnot:label>
    <rdfs:label xml:lang="en">bismuth atom</rdfs:label>
  </owl:Class>

  <owl:Class rdf:about="Mx8Ngh4rwPzyhJwpEbGdrcN5Y29ycB4rvViGO5wpEbGdrcN5Y29ycA">
    <rdfs:subClassOf rdf:resource="Mx4rvViR75wpEbGdrcN5Y29ycA"/>
    <rdfs:label xml:lang="en">zinc atom</rdfs:label>
    <cycAnnot:label xml:lang="en">(AtomFn Zinc)</cycAnnot:label>
  </owl:Class>

  <owl:Class rdf:about="Mx8Ngh4rwPzyhJwpEbGdrcN5Y29ycB4rvVkILJwpEbGdrcN5Y29ycA">
    <rdfs:subClassOf rdf:resource="Mx4rvViR75wpEbGdrcN5Y29ycA"/>
    <cycAnnot:label xml:lang="en">(AtomFn Phosphorus)</cycAnnot:label>
    <rdfs:label xml:lang="en">phosphorus atom</rdfs:label>
  </owl:Class>

  <owl:Class rdf:about="Mx8Ngh4rwPzyhJwpEbGdrcN5Y29ycB4rvVinipwpEbGdrcN5Y29ycA">
    <rdfs:subClassOf rdf:resource="Mx4rvViR75wpEbGdrcN5Y29ycA"/>
    <cycAnnot:label xml:lang="en">(AtomFn Magnesium)</cycAnnot:label>
    <rdfs:label xml:lang="en">magnesium atom</rdfs:label>
  </owl:Class>

  <owl:Class rdf:about="Mx8Ngh4rwPzyhJwpEbGdrcN5Y29ycB4rvVi6UpwpEbGdrcN5Y29ycA">
    <rdfs:subClassOf rdf:resource="Mx4rvViR75wpEbGdrcN5Y29ycA"/>
    <rdfs:label xml:lang="en">hydrogen atom</rdfs:label>
    <cycAnnot:label xml:lang="en">(AtomFn Hydrogen)</cycAnnot:label>
  </owl:Class>

  <owl:Class rdf:about="Mx8Ngh4rwPzyhJwpEbGdrcN5Y29ycB4rvVjCOJwpEbGdrcN5Y29ycA">
    <rdfs:subClassOf rdf:resource="Mx4rvViR75wpEbGdrcN5Y29ycA"/>
    <cycAnnot:label xml:lang="en">(AtomFn Francium)</cycAnnot:label>
    <rdfs:label xml:lang="en">francium atom</rdfs:label>
  </owl:Class>

  <owl:Class rdf:about="Mx8Ngh4rwPzyhJwpEbGdrcN5Y29ycB4rvVjKx5wpEbGdrcN5Y29ycA">
    <rdfs:subClassOf rdf:resource="Mx4rvViR75wpEbGdrcN5Y29ycA"/>
    <cycAnnot:label xml:lang="en">(AtomFn Copper)</cycAnnot:label>
    <rdfs:label xml:lang="en">copper atom</rdfs:label>
  </owl:Class>

  <owl:Class rdf:about="Mx8Ngh4rwPzyhJwpEbGdrcN5Y29ycB4rvVjIyJwpEbGdrcN5Y29ycA">
    <rdfs:subClassOf rdf:resource="Mx4rvViR75wpEbGdrcN5Y29ycA"/>
    <rdfs:label xml:lang="en">oxygen atom</rdfs:label>
    <cycAnnot:label xml:lang="en">(AtomFn Oxygen)</cycAnnot:label>
  </owl:Class>

  <owl:Class rdf:about="Mx8Ngh4rwPzyhJwpEbGdrcN5Y29ycB4rvVi2O5wpEbGdrcN5Y29ycA">
    <rdfs:subClassOf rdf:resource="Mx4rvViR75wpEbGdrcN5Y29ycA"/>
    <rdfs:label xml:lang="en">aluminum atom</rdfs:label>
    <cycAnnot:label xml:lang="en">(AtomFn Aluminum)</cycAnnot:label>
  </owl:Class>

  <owl:Class rdf:about="Mx8Ngh4rwPzyhJwpEbGdrcN5Y29ycB4rvVjRk5wpEbGdrcN5Y29ycA">
    <rdfs:subClassOf rdf:resource="Mx4rvViR75wpEbGdrcN5Y29ycA"/>
    <rdfs:label xml:lang="en">cobalt atom</rdfs:label>
    <cycAnnot:label xml:lang="en">(AtomFn Cobalt)</cycAnnot:label>
  </owl:Class>

  <owl:Class rdf:about="Mx8Ngh4rwPzyhJwpEbGdrcN5Y29ycB4rwPzrpJwpEbGdrcN5Y29ycA">
    <rdfs:subClassOf rdf:resource="Mx4rvViR75wpEbGdrcN5Y29ycA"/>
    <rdfs:label xml:lang="en">thallium atom</rdfs:label>
    <cycAnnot:label xml:lang="en">(AtomFn Thallium)</cycAnnot:label>
  </owl:Class>

  <owl:Class rdf:about="Mx8Ngh4rwPzyhJwpEbGdrcN5Y29ycB4rvVi9EpwpEbGdrcN5Y29ycA">
    <rdfs:subClassOf rdf:resource="Mx4rvViR75wpEbGdrcN5Y29ycA"/>
    <cycAnnot:label xml:lang="en">(AtomFn Cerium)</cycAnnot:label>
    <rdfs:label xml:lang="en">cerium atom</rdfs:label>
  </owl:Class>

  <owl:Class rdf:about="Mx8Ngh4rwPzyhJwpEbGdrcN5Y29ycB4rvVjB95wpEbGdrcN5Y29ycA">
    <rdfs:subClassOf rdf:resource="Mx4rvViR75wpEbGdrcN5Y29ycA"/>
    <cycAnnot:label xml:lang="en">(AtomFn Rubidium)</cycAnnot:label>
    <rdfs:label xml:lang="en">rubidium atom</rdfs:label>
  </owl:Class>

  <owl:Class rdf:about="&cyc;Mx4rvViR75wpEbGdrcN5Y29ycA">
    <cycAnnot:label xml:lang="en">Atom</cycAnnot:label>
    <rdfs:label xml:lang="en">atom</rdfs:label>
    <rdfs:comment xml:lang="en">A specialization of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViRapwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;ChemicalObject&lt;/a&gt;. Each instance of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViR75wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Atom&lt;/a&gt; is a microscopic-scale object with exactly one atomic nucleus (see &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvVij2ZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;AtomicNucleus&lt;/a&gt;) and some number of electrons (see &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViB05wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Electron&lt;/a&gt;).  A typical instance of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViR75wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Atom&lt;/a&gt; has no net charge, i.e., it has as many instances of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViB05wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Electron&lt;/a&gt; as it does of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViBTZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Proton&lt;/a&gt;.  For the collection of atoms that do have non-zero charges, see &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rcZxrqookEdaAAAACs0uFOQ&quot; class=&quot;cyc_term&quot;&gt;MonoatomicIon&lt;/a&gt;.</rdfs:comment>
  </owl:Class>

  <owl:Class rdf:about="Mx4rvWXYgJwpEbGdrcN5Y29ycA">
    <rdfs:comment xml:lang="en">A collection of collections.  Each instance of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvWXYgJwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;ExistingObjectType&lt;/a&gt; is a specialization of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvVj27ZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;PartiallyTangible&lt;/a&gt; (q.v.).  Moreover, each instance of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvWXYgJwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;ExistingObjectType&lt;/a&gt; is a collection that is temporally stuff-like (see &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvVitN5wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;TemporalStuffType&lt;/a&gt;) but physically-spatially object-like (see &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvVirnZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;ObjectType&lt;/a&gt;) -- i.e.  object-like with respect to some physical-spatial part-whole predicate (e.g. some specialization of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4r8a2smPXcQdiEoJhcx65EiQ&quot; class=&quot;cyc_term&quot;&gt;properPhysicalDecompositions&lt;/a&gt;).
&lt;p/&gt;
Consider the collection &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rwJaXepwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;BookCopy&lt;/a&gt;. &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rwJaXepwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;BookCopy&lt;/a&gt; is a specialization of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvVj27ZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;PartiallyTangible&lt;/a&gt;. Further, &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rwJaXepwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;BookCopy&lt;/a&gt; is temporally stuff-like: any one of the &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvWn4OZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;timeSlices&lt;/a&gt; of a given copy &lt;code&gt;&lt;b&gt;COPY&lt;/b&gt;&lt;/code&gt; of (say) &amp;quot;Moby Dick&amp;quot; is still a copy of &amp;quot;Moby Dick&amp;quot;. (Most collections of tangible objects are temporally stuff-like in this way.)   But &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rwJaXepwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;BookCopy&lt;/a&gt; is spatially &lt;i&gt;object-like&lt;/i&gt;: if we take a scalpel and slice &lt;code&gt;&lt;b&gt;COPY&lt;/b&gt;&lt;/code&gt; into ten pieces, each piece is not a copy of &amp;quot;Moby Dick&amp;quot;.  So &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rwJaXepwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;BookCopy&lt;/a&gt; is an instance of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvWXYgJwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;ExistingObjectType&lt;/a&gt;.
&lt;p/&gt;
See also &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvVir35wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;StuffType&lt;/a&gt; and &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvVny6pwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;ExistingStuffType&lt;/a&gt;.</rdfs:comment>
    <cycAnnot:label xml:lang="en">ExistingObjectType</cycAnnot:label>
    <rdfs:label xml:lang="en">type of object</rdfs:label>
  </owl:Class>

  <owl:Class rdf:about="Mx4r58YtYmJsQdiQUoD0e6Pixw">
    <rdfs:comment xml:lang="en">A &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rAmoSCGJbQdiSXZJvYiNhkQ&quot; class=&quot;cyc_term&quot;&gt;CycVocabularyTopic&lt;/a&gt; and a &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rtGXkHpNaEdqAAAACs0uFOQ&quot; class=&quot;cyc_term&quot;&gt;KBDependentCollection&lt;/a&gt;.</rdfs:comment>
    <cycAnnot:label xml:lang="en">ElementsAndAtoms-Chemistry-Topic</cycAnnot:label>
    <rdfs:label xml:lang="en">elements and atoms chemistry topic</rdfs:label>
  </owl:Class>

  <owl:Thing rdf:about="http://www.w3.org/2006/03/wn/wn20/instances/synset-atom-noun-1">
    <cycAnnot:label xml:lang="en">Atom</cycAnnot:label>
    <rdfs:label xml:lang="en">atom</rdfs:label>
    <rdfs:comment xml:lang="en">A specialization of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViRapwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;ChemicalObject&lt;/a&gt;. Each instance of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViR75wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Atom&lt;/a&gt; is a microscopic-scale object with exactly one atomic nucleus (see &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvVij2ZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;AtomicNucleus&lt;/a&gt;) and some number of electrons (see &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViB05wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Electron&lt;/a&gt;).  A typical instance of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViR75wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Atom&lt;/a&gt; has no net charge, i.e., it has as many instances of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViB05wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Electron&lt;/a&gt; as it does of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViBTZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Proton&lt;/a&gt;.  For the collection of atoms that do have non-zero charges, see &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rcZxrqookEdaAAAACs0uFOQ&quot; class=&quot;cyc_term&quot;&gt;MonoatomicIon&lt;/a&gt;.</rdfs:comment>
  </owl:Thing>

  <owl:Class rdf:about="Mx4rYfyNVM4uEdqAAAACs2IKaQ">
    <rdfs:label xml:lang="en">candidate KB completeness node</rdfs:label>
    <cycAnnot:label xml:lang="en">CandidateKBCompletenessNode</cycAnnot:label>
  </owl:Class>

  <owl:Class rdf:about="&ocyc;Mx4rvViR75wpEbGdrcN5Y29ycA">
    <cycAnnot:label xml:lang="en">Atom</cycAnnot:label>
    <rdfs:label xml:lang="en">atom</rdfs:label>
    <rdfs:comment xml:lang="en">A specialization of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViRapwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;ChemicalObject&lt;/a&gt;. Each instance of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViR75wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Atom&lt;/a&gt; is a microscopic-scale object with exactly one atomic nucleus (see &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvVij2ZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;AtomicNucleus&lt;/a&gt;) and some number of electrons (see &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViB05wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Electron&lt;/a&gt;).  A typical instance of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViR75wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Atom&lt;/a&gt; has no net charge, i.e., it has as many instances of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViB05wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Electron&lt;/a&gt; as it does of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViBTZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Proton&lt;/a&gt;.  For the collection of atoms that do have non-zero charges, see &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rcZxrqookEdaAAAACs0uFOQ&quot; class=&quot;cyc_term&quot;&gt;MonoatomicIon&lt;/a&gt;.</rdfs:comment>
  </owl:Class>

  <owl:ObjectProperty rdf:about="Mx4rwLSVCpwpEbGdrcN5Y29ycA">
    <rdfs:label xml:lang="en">Pretty String</rdfs:label>
    <rdfs:comment xml:lang="en">(&lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rwLSVCpwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;prettyString&lt;/a&gt; TERM STRING) means that STRING is the English word or expression (sequence of words) commonly used to refer to TERM.  The predicate &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rwLSVCpwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;prettyString&lt;/a&gt; is used by the code which generates CycL to English paraphrases, but its applicability is not restricted to this use.</rdfs:comment>
    <cycAnnot:label xml:lang="en">prettyString</cycAnnot:label>
  </owl:ObjectProperty>

  <owl:DataProperty rdf:about="wikipediaArticleURL">
  </owl:DataProperty>

  <owl:Class rdf:about="Mx4rvViRapwpEbGdrcN5Y29ycA">
    <cycAnnot:label xml:lang="en">ChemicalObject</cycAnnot:label>
    <rdfs:comment xml:lang="en">A specialization of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViRrJwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;MicroscopicScaleObject&lt;/a&gt;.  Each instance of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViRapwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;ChemicalObject&lt;/a&gt; is an object whose behavior is typically described in terms of its outer cloud of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViB05wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Electron&lt;/a&gt;s.  Specializations of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViRapwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;ChemicalObject&lt;/a&gt; include the collections &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViR75wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Atom&lt;/a&gt;, &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvVjwspwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Molecule&lt;/a&gt;, and &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rwPuuOZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Ion&lt;/a&gt;.</rdfs:comment>
    <rdfs:label xml:lang="en">chemical object</rdfs:label>
  </owl:Class>

  <owl:Thing rdf:about="http://dbpedia.org/resource/Atom">
    <cycAnnot:label xml:lang="en">Atom</cycAnnot:label>
    <rdfs:label xml:lang="en">atom</rdfs:label>
    <rdfs:comment xml:lang="en">A specialization of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViRapwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;ChemicalObject&lt;/a&gt;. Each instance of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViR75wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Atom&lt;/a&gt; is a microscopic-scale object with exactly one atomic nucleus (see &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvVij2ZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;AtomicNucleus&lt;/a&gt;) and some number of electrons (see &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViB05wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Electron&lt;/a&gt;).  A typical instance of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViR75wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Atom&lt;/a&gt; has no net charge, i.e., it has as many instances of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViB05wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Electron&lt;/a&gt; as it does of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViBTZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Proton&lt;/a&gt;.  For the collection of atoms that do have non-zero charges, see &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rcZxrqookEdaAAAACs0uFOQ&quot; class=&quot;cyc_term&quot;&gt;MonoatomicIon&lt;/a&gt;.</rdfs:comment>
  </owl:Thing>

  <owl:Thing rdf:about="http://umbel.org/umbel/sc/Atom">
    <cycAnnot:label xml:lang="en">Atom</cycAnnot:label>
    <rdfs:label xml:lang="en">atom</rdfs:label>
    <rdfs:comment xml:lang="en">A specialization of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViRapwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;ChemicalObject&lt;/a&gt;. Each instance of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViR75wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Atom&lt;/a&gt; is a microscopic-scale object with exactly one atomic nucleus (see &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvVij2ZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;AtomicNucleus&lt;/a&gt;) and some number of electrons (see &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViB05wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Electron&lt;/a&gt;).  A typical instance of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViR75wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Atom&lt;/a&gt; has no net charge, i.e., it has as many instances of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViB05wpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Electron&lt;/a&gt; as it does of &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rvViBTZwpEbGdrcN5Y29ycA&quot; class=&quot;cyc_term&quot;&gt;Proton&lt;/a&gt;.  For the collection of atoms that do have non-zero charges, see &lt;a href=&quot;http://sw.opencyc.org/2008/06/10/concept/Mx4rcZxrqookEdaAAAACs0uFOQ&quot; class=&quot;cyc_term&quot;&gt;MonoatomicIon&lt;/a&gt;.</rdfs:comment>
  </owl:Thing>

</rdf:RDF>
