English: The numbers in the diagram indicate how many times the given formula counts that particular portion of the Venn Diagram. In the first picture, for example, an element in the intersection of A, B, and C will be counted 3 times. Each term of the inclusion-exclusion formula gradually refines these numbers until each portion of the Venn Diagram is counted exactly once.
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2010-05-07 01:07 Austinmohr 1200×484× (97959 bytes) {{Information |Description = Shows how the inclusion-exclusion principle gradually refines the count so that each portion of the Venn Diagram is counted exactly once. |Source = I (~~~) created this work entirely by myself. |Date =
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