I've been looking all over the internet for an answer to this question, but it usually just brings up Python related subjects and not anything remotely close to my question.
I basically want to know if it's possible to add the collective sum of a set to an integer. For example I would have B, whose value is 10. Then I have set C, which contains 5, 10, 20.
What I basically am looking for is the correct way to write B + C = 45.
Sorry if I'm using the incorrect terminology, mathematics are not my strongest subject and the terminology I know is all in Dutch and often poorly translates to English.
Thanks for your help.
ps: Before anyone asks; this isn't for homework, it's for a personal project I'm working on.
The way to obtain $45$ from your sets is to compute $$ \sum_{x\in B} x+\sum_{x\in C} x.$$ Or you could start by defining a function $\Sigma$ from the set of finite subsets of $\mathbb Z$ to $\mathbb Z$ that sends $A$ to $\Sigma(A):=\sum_{x\in A} x$. Then your "$B+C$" is in fact simply $\Sigma(B)+\Sigma(C)$ (which is not the same as $\Sigma(B\cup C)$).
EDIT: I wrote the above under the assumption that $B=\{10\}$. However if $B=10$ directly, than we deal with $B+\Sigma(C)$.