> The author seems to misunderstand what an abstraction actually is. This, I think, is the main problem with the article. I also found the opening line curiou

> The author seems to misunderstand what an abstraction actually is. This, I think, is the main problem with the article. I also found the opening line curious: > > I find it rather weird that mathematics is usually taught to people on a historical basis. I think this is much more common in philosophy than in maths.