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Celebrating the birthday of John Venn, creator of the Venn diagram, with what else? Some Venn diagrams!
View related content: Carpe Diem
British mathematician John Venn was born on August 4, 1834, so this Saturday marks the 184th anniversary of his birth in Hull, England. John Venn is most known for creating and introducing the Venn diagram in 1880, which has been used in the fields of set theory, probability, logic, statistics, and computer science according to his Wikipedia page. Interestingly, Venn himself did not use the term “Venn diagram,” he referred to his diagrams as “Eulerian Circles.” It wasn’t until 1918, that Venn’s invention was referred to as a “Venn diagram” by Clarence Irving Lewis in his book “A Survey of Symbolic Logic.”
To recognize the anniversary of John Venn’s birthday I present 14 of my recent Venn diagrams below, which have all appeared on CD, Facebook and/or Twitter. Thanks to John Venn, I now have a part-time job as a Venn diagram graphic artist/specialist — they are a very effective way to illustrate graphically the intellectual inconsistencies that are widespread and commonplace among the public, especially with our left-leaning friends. Over the years, I have created nearly 150 Venn diagrams and they are available here at this link: Venn Diagram Archives.
1. Venn Diagram I (above) on those who fail to understand that international trade is just a form of innovative technology that raises our standard of living, lowers prices, and increases net jobs.
2. Venn Diagram II (above) on those who equate US trade deficits for goods with unfair trade practices of foreigners and calls for a “level playing field” while never equating America’s trade surpluses for services with unfair trade practices at home.
5. Venn Diagram V (above). On those who fail to understand that voluntary trade is win-win and mutually beneficial regardless of whether the buyer and seller are on the same side, or different sides, of imaginary lines called national borders.
8. Venn Diagram VII (above). On those who understand that profit-seeking companies benefit from low prices and are harmed by high prices….. except when it comes to being so blinded by sexism that those same companies supposedly pay a premium to employ men rather.
12. Venn Diagram XII (above). Currency manipulation usually means in reality “manipulated in our favor,” resulting in lower prices for Americans. Why should we complain about that?
13. Venn Diagram XIII (above). Can diversity be good, but the celebration of cultural appropration (cultural appreciation) be bad?
14. Venn Diagram XIV (above) was inspired by Don Boudreaux’s observation that:
Many Americans on the political right correctly understand that the U.S. government cannot out-perform the market at ‘picking’ winners, but they – these many Americans on the political right – nevertheless believe that foreign governments, especially those governments with authoritarian histories and that currently possess authoritarian powers, are invested with uncanny abilities to improve the performance of their economies with subsidies, trade restraints, and industrial policies.
This bizarrely inconsistent – and blind – faith in the government intervention of foreign governments drives many American conservatives to fear trade with foreign governments and, hence, to demand that the American government punitively tax fellow Americans who purchase imports from those foreign countries.
Happy Birthday, John Venn!