{} (set brackets)
Creates a set.
Syntax

{[A[, B[, ...]]]}

A
,B
,...
are any objects

Description
The set brackets {}
denote a set. They are implemented by the set
function.
Examples
A ≔ { 1, 2, 3, 4, 5 }
{4, 5, 1, 2, 3}
B ≔ { 0, 2, 4, 6, 8, 10 }
{4, 6, 10, 2, 8, 0}
A ∪ B
{6, 10, 2, 3, 4, 5, 1, 8, 0}
{} = ∅
true