x y is by default interpreted as Vee[x, y].
Used to indicate various notions of joining, and as a dual of \[Wedge] .
Not the same as \[Or].
Drawn slightly smaller than \[Or].
Sometimes used in prefix form to indicate the total variation of a function.
See Section 1.10.8 and Section 3.10.4.
See also: \[Wedge] , \[Union] , \[SquareUnion] , \[Nu] , \[Hacek] .