☡
 | ||||||||
| ||||||||
Translingual
Etymology
In mathematics, first introduced by Nicolas Bourbaki in their treatise Éléments de mathématique.
Symbol
☡
- (mathematics, computer science) Used to mark an especially difficult passage or proof in a textbook.
This article is issued from Wiktionary. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.