# Bourbaki dangerous bend symbol

> mathematical symbol indicating passages tricky on a first reading or with an especially difficult argument

**Wikidata**: [Q746697](https://www.wikidata.org/wiki/Q746697)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Bourbaki_dangerous_bend_symbol)  
**Source**: https://4ort.xyz/entity/bourbaki-dangerous-bend-symbol


## References

1. Freebase Data Dumps. 2013