CSGuy
Bypass redirect so I don't have to later.
21:10
+20
BRichtigen
simple examples
12:25
+265
missed the cat...
12:20
+22
New page: A subset ''H'' of a group (''G'',<math>\cdot</math>) is called a '''subgroup''', if (''H'',<math>\cdot</math>) is itself a group.
12:16
+137