\veeLogical disjunction or 'or' operator, often used in logic and set theory to denote the union of two sets or the logical 'or' between two statements.
Logical 'or' between statements A and B
A \vee BLogical 'or' between predicates P and Q
P(x) \vee Q(x)Logical 'or' condition for x being greater than 0 or less than -1
(x > 0) \vee (x < -1)