Math notation was't so much designed as accreted, and it shows in how awkward it can get. Dijkstra indirectly makes this point (among others) in "The notational

Math notation was't so much designed as accreted, and it shows in how awkward it can get. Dijkstra indirectly makes this point (among others) in "The notational conventions I adopted, and why" at http://www.cs.utexas.edu/~EWD/ewd13xx/EWD1300.PDF http://www.cs.utexas.edu/~EWD/ewd13xx/EWD1300.PDF