OpenStax, Contemporary Mathematics §1.5 Set Operations with Three Sets · Example 3 · Combinatorics · Sets & logic

Set Operations with Three Sets · Example 3

De Morgan’s Law for the complement of the union of two sets $A$ and $B$ states that: $(A \cup B)^{^{'}} = A^{^{'}} \cap B^{^{'}} .$ Use a Venn diagram to prove that De Morgan’s Law is true.

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OpenStax, Contemporary Mathematics · §1.5 Set Operations with Three Sets · Example 3

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