Venn used the diagrams to prove a form of logical statement known as a categorical syllogism. This can be used to model reasoning. Here’s an example: “All computers need power.

Today’s Google logo is a hat-tip to British logician and philosopher, and inventor of the Venn diagram, John Venn on his 180th birthday. Born on this date in 1834, Venn came up with the idea of ...

Tuesday night's first Democratic debate made clear a fascinating contrast that's emerged in this presidential election: The Democratic and Republican fields aren't simply offering different ...