Set operators
@> {'you', 'them', 'and', 'me'} with 'or' without 'you'Boolean set operators#
Arr.ai supports the conventional set operators.
@> {1, 2, 3} & {2, 3, 4}   # Intersection@> {1, 2, 3} | {2, 3, 4}   # Union@> {1, 2, 3} &~ {2, 3, 4}  # Difference@> {1, 2, 3} ~~ {2, 3, 4}  # Symmetric differencePower set: ^set#
The power set of a set is the set of all subsets of that set, including the set itself and the empty set.
@> ^{1}@> ^{1, 2}@> ^{1, 2, 3}