\uplus - LaTeX Symbol

⊎

\uplus

The \uplus symbol represents the disjoint union of sets, often used in set theory to denote the union of two sets that have no elements in common.

Examples

A ⊎ B

Disjoint union of sets A and B

A \uplus B

i = 1 ⋃ n A_{i} = A_{1} ⊎ A_{2} ⊎ \dots ⊎ A_{n}

Disjoint union of a sequence of sets

\bigcup_{i=1}^{n} A_i = A_1 \uplus A_2 \uplus \cdots \uplus A_n

X = {1, 2} ⊎ {3, 4}

Disjoint union of two sets with distinct elements

X = \{1, 2\} \uplus \{3, 4\}