: -- a binary operator

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.

Methods for : :

Ideal : Ideal -- ideal quotient

MonomialIdeal : MonomialIdeal

ZZ : Thing -- repeat an item