Related Clues:

• John known for overlapping diagrams
• ___ diagram (illustration used in logic)
• Logician of proven number sequences
• -- diagram, one with overlapping circles
• A diagram with circles bears his name
• -- diagram (logic tool)
• ___ diagram (logician's tool)
• -- diagram (math image)
• John ___, English logician, best known for diagrams used in set theory
• 'Symbolic Logic' author John
• Diagram type with circles
• Logician for whom math diagrams are named
• Kind of diagram with overlaps
• Mathematician John ____’s best-known idea was, in his own words, “representing propositions by inclusive and exclusive circles”
• Brit remembered for his circles