Set - Set -- set difference

• Operator: -

• Usage:

  x - y

• Inputs:
  • x, a set, or a list
  • y, a set, or a list
• Outputs:
  • a set, or a list, consisting of those elements of x not in y

i1 : set{a,b,c} - set{a}

o1 = set {c, b}

o1 : Set

i2 : set{a,b,c} - {a}

o2 = set {c, b}

o2 : Set

i3 : {a,b,c} - set{a}

o3 = {b, c}

o3 : List