5.3.2  Sets: set[]

To define a set of elements, put the elements separated by commas, with delimiters %{ and %} or set[ and ].
Input:

or:

Output:

In the Xcas output, the set delimiters are displayed as ⟦ and ⟧ in order not to confuse sets with lists (see Section 5.3.3). For example, ⟦1,2,3 ⟧is the set %{1,2,3%}, unlike [1,2,3] (normal brackets) which is the list [1,2,3].
Input:

or:

Output:

Input:

or:

Output:

Remark.
The order in a set is not significant and the elements in a set are all distinct. If you input B:=%{5,5,6,3,4%} and C:=%{3,4,5,3,6%}, then B==C will return true.

See Section 6.41 for operations on sets.