the.com/venn diagram
Two circles argue in public so you can see exactly where they agree.
means A diagram using overlapping circles to show the logical relationships—especially shared traits—between different sets of things.
from Named after John Venn, a 19th-century English logician who formalized these overlapping-circle diagrams in the 1880s to illustrate set relationships. He wasn't the very first to draw overlapping circles for logic (similar sketches predate him), but he's the one who systematized the method and got his name permanently stuck to it.
- invented by
- John Venn, 1880, Cambridge logician
- real name
- Eulerian circles, Venn just popularized them
- max overlap
- three circles max before readability collapses
- secret use
- makes office small talk feel like math