British mathematician John Venn was born on August 4, 1834, so yesterday marked the 182nd anniversary of his birth in Hull, England. John Venn is most known for creating and introducing the Venn ...

British mathematician John Venn (pictured above, click to enlarge) was born on August 4, 1834, so tomorrow will mark the 187th anniversary of his birth in Hull, England. John Venn is most known for ...

Venn diagrams typically use overlapping circles to show all possible relationships between sets. Traditionally, they include just two or three sets. This example shows how red, blue and green lights ...

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