Documentation for infix (+)
Documentation for infix (+), assembled from the following types:
only sub infix:<(+)>(**)
Returns the Baggy addition of its arguments, i.e., a
Bag that contains each element of the arguments with the weights of the element across the arguments added together to get the new weight.
bag(<a a b c a d>) (+) bag(<a a b c c>) === ("a"=>5,"c"=>3,"b"=>2,"d"=>1).Bag
only sub infix:<⊎>(|p)
Baggy addition operator (alternate).
Equivalent to (+), at codepoint U+228E (MULTISET UNION).