Venn Diagrams

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This applet requires Sun's Java VM 2 which your browser may perceive as a popup. Which it is not. If you want to see the applet work, visit Sun's website at http://www.java.com/en/download/index.jsp, download and install Java VM and enjoy the applet.

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Each of the three circles can be On, with its interior painted, or Off, with the exterior painted, or neutral adding a contour without painted regions. The circles can be dragged and resized.

(This applet requires Java 2: jre 1.3.1, at least. You can try to log into www.java.com for an automatic download of the latest available jre, or, for a manual download, try www.sun.com. Pick the latest Standard Edition - J2SE.)

Lewis Carroll

• Lewis Carroll's Logic Game (an introduction)
• Controversial Venn Diagrams
  • An Excerpt from The Science of Patterns
  • From W.Dunham, The Mathematical Universe
  • Venn Diagrams applet I
  • Venn Diagrams (an interactive activity)
• Bilateral Diagrams
  • Bilateral Diagrams (a comprehensive table)
  • Bilateral Diagrams (an interactive tool) Game
• Syllogisms
• Lewis Carroll's Logic Game (trilateral diagrams)
  • Interpretation of Trilateral Diagrams
  • Lewis Carroll's Logic Game (an interactive tool)
• Sample soriteses
• Lewis Carroll's Logic Game (rules and a tool)

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