Except you were suggesting it's due to the definition of +, and your silly, irrelevant rant about abstract algebra started when I noted it's plain old addition.

Except you were suggesting it's due to the definition of +, and your silly, irrelevant rant about abstract algebra started when I noted it's plain old addition. It holds for integers too, floating point arithmetic quirks are irrelevant. You are applying a bunch of ideas that are irrelevant because you don't have any idea how embedding models actually work.