I find this kind of math translated to natural language very useful to visualise things. It adds tremendous value for someone like me. The comments saying that

I find this kind of math translated to natural language very useful to visualise things. It adds tremendous value for someone like me. The comments saying that if the sentence was enough you wouldn't need the article are in a very "ha gotchu" way and it's counter to both the people who want to understand it and the spirit of HN