A Venn diagram provides a systematic way to visualize and solve it. Each statement precludes some possible outcomes, which we indicate by shading the corresponding regions of the Venn diagram.

Venn had initially used diagrams developed by the Swiss mathematician Leonard Euler to show some relationships between sets, which he then developed into his famous Venn diagrams. Venn used the ...

I no longer feel that my professional Venn Diagram life is something which says to the world, “I’m not sure what I’m doing.” Now I feel that it makes a confident statement.