I had to go back and search for the "+"es, but I think they're well suited to the context. > I believe the formula I've given you, importance + novelty + corre

I had to go back and search for the "+"es, but I think they're well suited to the context. > I believe the formula I've given you, importance + novelty + correctness + strength, is the recipe for a good essay. I wouldn't say he's really using "+" instead of "&". "importance & novelty & correctness & strength" doesn't provide the same feeling of adding, of mixing, to get a formula.