∅
term quanthash
empty Set

(|) | ∪
infix quanthash
quanthash union

(+) | ⊎
infix quanthash
quanthash addition

(.) | ⊍
infix quanthash
quanthash multiplication

(-) | ∖
infix quanthash
quanthash difference

(^) | ⊖
infix quanthash
quanthash symmetric difference


contains the functions that return a C<QuantHash> (a C<Set>, C<SetHash>,
C<Bag>, C<BagHash>, C<Mix> or C<MixHash> given any set or arguments.
