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Discrete Math · sets

Inclusion-Exclusion for Two Sets Formula

Counts elements in a union while correcting for overlap.

|A ∪ B| = |A| + |B| − |A ∩ B|

Variables

A, B
finite sets

Reference details

Subject
Discrete Math
Topic
sets
Plain text
|A union B|=|A|+|B|-|A intersection B|

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