# \ -- a binary operator

## Ways to use symbol \ :

• Command \ Set (missing documentation)
• Function \ Set (missing documentation)
• /// Function \ Ideal /// -- see Ideal / Function -- apply a function to generators of an ideal
• /// Command \ String /// -- see VisibleList / Function -- apply a function to elements of a list
• /// Command \ VirtualTally /// -- see VisibleList / Function -- apply a function to elements of a list
• /// Command \ VisibleList /// -- see VisibleList / Function -- apply a function to elements of a list
• /// Function \ String /// -- see VisibleList / Function -- apply a function to elements of a list
• /// Function \ VirtualTally /// -- see VisibleList / Function -- apply a function to elements of a list
• /// Function \ VisibleList /// -- see VisibleList / Function -- apply a function to elements of a list
• /// RingMap \ List /// -- see VisibleList / Function -- apply a function to elements of a list
• /// SelfInitializingType \ VisibleList /// -- see VisibleList / Function -- apply a function to elements of a list

## For the programmer

The object \ is .

This operator may be used as a binary operator in an expression like x\y. The user may install binary methods for handling such expressions with code such as

         X \ Y := (x,y) -> ...

where X is the class of x and Y is the class of y.