Cardinality of Two Sets
Union of Sets
\[ n (A \cup B) = n(A) + n(B) - n(A \cap B) \]
Intersection of Sets
\[ n (A \cap B) = n(A \cup B) - n(A) - n(B) \]
Cardinality of Two Sets
Atith Adhikari
ยท
4 months ago
Mathematics
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Sets and Set Theory