Wedge (symbol)

Wedge (∧) is a symbol that looks similar to an in-line caret (^). It is used to represent various operations. In Unicode, the symbol is encoded and by   and   in TeX. The opposite symbol (∨) is called a vel, or sometimes a (descending) wedge. Some authors who call the descending wedge vel often call the ascending wedge ac (the corresponding Latin word for "and", also spelled "atque"), keeping their usage parallel

Use
Wedge is used to represent various operations:
 * Logical conjunction in propositional logic and first-order logic
 * Meet in lattice theory
 * Exterior product or wedge product in differential geometry