bn:03421557n
Noun Concept
Categories: Nicolas Bourbaki, Mathematical symbols
EN
Bourbaki dangerous bend symbol  Bourbaki dangerous bend sign  caution sign  caution symbol  dangerous bend
EN
The dangerous bend or caution symbol ☡ was created by the Nicolas Bourbaki group of mathematicians and appears in the margins of mathematics books written by the group. Wikipedia
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EN
The dangerous bend or caution symbol ☡ was created by the Nicolas Bourbaki group of mathematicians and appears in the margins of mathematics books written by the group. Wikipedia
mathematical symbol indicating passages tricky on a first reading or with an especially difficult argument Wikidata
DIFFERENT FROM
DISCOVERER OR INVENTOR
USED BY