Symbol that denotes a grouping of elements in a set.
Braces are always used in pairs.
Braces can be used as a symbol to group operations.
Ex. : {8 + 3(5 – 2) – 5}
Notation
The brace symbol is { }.
Examples
P = {0, 1, 2, 3, 4, 5, 6, 7}
Q = {x ∈ \(\mathbb{N}\) ∣ x < 8}
Historical Note
François Viète introduced braces in 1593.