Venn diagram

Venn diagrams visualize logical relationships using intersecting circles, simplifying the handling of logical statements. This extension of symbolic logic into geometric formats broadened the utility and understanding of logical concepts.
 John Venn England 1881 Venn diagram

Venn diagrams visualize logical relationships using intersecting circles, simplifying the handling of logical statements. This extension of symbolic logic into geometric formats broadened the utility and understanding of logical concepts.