APP description

In set theory, a union of a set is a collection of all the elements of these sets, and no other elements are included.

For two given sets A, B, the set of all the elements belonging to the set A or belonging to the set B (the set of all the elements of the two sets plus all the elements) is called the union, denoted as AUB, pronounced "A and B." Expressed by a symbol, ie: AUB={xIx∈A or x∈B}

Usage example

Collection A: 55,23

Collection B: 44,23

Click "Calculate" to output the result

Union set(AUB): 23,44,55

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