While browsing for related source after making my post I found this site: http://tunes.org/wiki/category_20theory_20101.html http://tunes.org/wiki/category_20t

While browsing for related source after making my post I found this site: http://tunes.org/wiki/category_20theory_20101.html http://tunes.org/wiki/category_20theory_20101.html I liked their explanations of algebras and coalgebras.