This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
MorleyDreieck. de January MorleyDreieck own original text selbst erstellt Benutzer Wfstb Public Domain math Wfstb Original upload log de Wdwdbot CommonsHelper de MorleyDreieck Wfstb bytes no Domain selbst erstellt Morley theorem
Page 2023 Free-images.com. All images are Public Domain