H. Peter Gumm

Philipps-Universität Marburg

In my book, “Congruences and factor coalgebras“ is subsection 3.2.1, so it does not show in the table of contents. 

4.6 Musterdefinierte Klassen …“ is the same as „8.2 Coequations“ , since I use Muster (engl.: pattern)  as another
name for „coequation“  ...  

 Next, let us have a look inside the books ...

Gumm

Denecke/Wismath

Continuing the tables of content: