Set theory Sepia photo of John Venn on the left. On the right, photo of the current blue plaque in the shape of a two-circle venn diagram. One circle is labeled "mathematician, philosopher, Anglican priest," the second circle is labeled "Really strong beard game," and the overlap is labeled "John Venn"
A brief lesson in how to honor a mathematician:
"This Alternative Heritage plaque adorns the house in Hull where John Venn was born in 1834."
https://www.futilitycloset.com/2026/04/15/set-theory-3/
#math #maths #mathematics #Venn #venndiagram #UK #settheory #historyofmathematics
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