Individual http://www.kvocentral.com/reports/dau.pdf
  type:  #document  anything serving as a representation of a person's thinking by means of symbolic marks

1 statement is about http://www.kvocentral.com/reports/dau.pdf
[km#graph3_on_PhD_thesis
     [the pm#PhD_thesis,
          dc#Coverage: km#FCA_concept_graph_with_negation,
          pm#title: "The Logic System of Concept Graphs with Negation",
          dc#Creator: "Frithjof Dau",
          pm#url: http://www.kvocentral.com/reports/dau.pdf]
](06/05/2024);

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