File talk:Beispiel für einfache Baumstruktur.jpg
Latest comment: 5 years ago by 84.151.172.64 in topic Mistake
Mistake edit
A sister of an X' projection is *not* called a complement. --84.151.172.64 15:59, 5 January 2019 (UTC)
A sister of an X' projection is *not* called a complement. --84.151.172.64 15:59, 5 January 2019 (UTC)Reply
