intersection of sets giao của các tập hợp
| Creator: | |
| Language pair: | English to Vietnamese |
| Discipline: | Mathematics & Statistics |
| Definition / notes: | The intersection is defined as elements that are in both sets. Symbol ∩: “intersects” (and) Example: A = {1, 2, −3, 7} and B = {2, −3, 8, 10} and D = {5, 10} • A ∩ B = {2, −3} • B ∩ D = {10} In general, A ∩ B = {x : x ∈ A and x ∈ B} If there are no elements in common, the answer is the empty set ∅. The cardinality of the empty set |∅| = 0. • A ∩ D = ∅ |
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