He created the "Venn diagram" which is used when dealing with "sets" in mathematics.
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Ven diagrams were invented by John Venn in the late 19th century. Venn diagrams are used in mathematics and logic to visualize the relationships between different sets or groups.
Ermahghurd this is my first time answering someones ? :) ok here is le answer John Venn Contributed his life to being a philosopher in logic and math. One of the contributions used by John Venn today are the Venn Diagram which compares and contrasts two unlike items. :)
John Venn was born on August 4, 1834.
John Venn!
John Venn
John Venn
Henry Venn
John Venn.
Venn diagrams are named after their inventor, John Venn.
John Venn was born on August 4, 1834.