From: "Jan E." Date: 2012-12-15T06:16:03+09:00 Subject: Re: Ruby class hierarchy confusion Hi, I think your problem is that you confuse "instance of" and "subclass of". Yes, A is an *instance* of Class. But it's not a *subclass* of Class. So there's no direct relation to Module. -- Posted via http://www.ruby-forum.com/.