User blog comment:PsiCubed2/Notability Guidelines for the mainspace: looking for your input/@comment-32697988-20180429213437/@comment-25601061-20180429234741

Then we only put notations that aren't too similar to each other in the mainspace - as long as notations have something unique to them or eventually start evolving in their own unique way (for example, almost all array notations work the same up to e0), they're worthy of having an article.