Method name

Usage

Maple implementation

__and__

x and y

Intersection of x and y

__le__

x <= y

True if x is equal to or a subset of y

__lt__

x < y

True when x is a strict subset of y

__ge__

x >= y

True when x is equal to or a superset of y

__gt__

x > y

True when x is a strict superset of y

__or__

x or y

Union of x and y

__sub__

x sub y

Set difference of x and y

__xor__

x or y

Symmetric difference of of x and y

isdisjoint

isdisjoint(x,y)

True when x and y are disjoint