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# \ -- a binary operator

## Ways to use symbol \:

- `Function \ Ideal` -- see Ideal / Function -- apply a function to generators of an ideal
- `Command \ Set` -- see VisibleList / Function -- apply a function to elements of a list
- `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 \ Set` -- 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 \ VisibleList` -- 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 a keyword.

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.

The source of this document is in /build/macaulay2-88fgJW/macaulay2-1.25.11+ds/M2/Macaulay2/packages/Macaulay2Doc/operators.m2:433:0.