Venn Diagrams

• Ø


  nothing shaded

  
• A


  a shaded

  
• B


  b shaded

  
• A n B


  intersection shaded only

  
• universal set

  
• A’


  none of a shaded

  
• B’


  none of b shaded

  
• A u B


  all of a and b shaded

  
• A n B’


  a shaded but not the intersection

  
• A’ n B


  b shaded but not the intersection

  
• A u B’


  everything but b shaded, intersection is shaded

  
• A’ u B


  everything but a shaded, intersection is shaded

  
• A’ n B’


  outside is shaded

  
• A‘ u B’


  everything shaded but intersection

  
• (A n B) u (A’ n B’)


  outside and intersection shaded

  
• (A n B’) u (A’ n B)


  everything but outside and intersection shaded