Operators on Expansions

`x + x` [sum](expansion.sum.ipynb) Sum (disjunction)
`x * weight` [right_mult](expansion.right_mult.ipynb) Right scalar product
`weight * x` [left_mult](expansion.left_mult.ipynb) Left scalar product
`x & x` [conjunction](expansion.conjunction.ipynb) Conjunction (synchronized product)
`~x` [complement](expansion.complement.ipynb) Complement
`x | x` [tuple](expansion.tuple.ipynb) Tuple (Cartesian product)