Bourbaki dangerous bend symbol
The dangerous bend or caution symbol ☡ (U+2621 ☡ CAUTION SIGN) was created by the Nicolas Bourbaki group of mathematicians and appears in the margins of mathematics books written by the group. It resembles a road sign that indicates a "dangerous bend" in the road ahead, and is used to mark passages tricky on a first reading or with an especially difficult argument.
primaryTopic
Bourbaki dangerous bend symbol
The dangerous bend or caution symbol ☡ (U+2621 ☡ CAUTION SIGN) was created by the Nicolas Bourbaki group of mathematicians and appears in the margins of mathematics books written by the group. It resembles a road sign that indicates a "dangerous bend" in the road ahead, and is used to mark passages tricky on a first reading or with an especially difficult argument.
has abstract
Le symbole virage dangereux ou ...... ssage est encore plus délicat.
@fr
Niebezpieczny zakręt lub Ostro ...... wet w podręcznikach szkolnych.
@pl
The dangerous bend or caution ...... ing doubly dangerous passages.
@en
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744,753,148
quote
Certains passages sont destiné ...... in the margin with the sign ☡
source
— Nicolas Bourbaki's description of the symbol in several textbooks
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comment
Le symbole virage dangereux ou ...... op rapide ou un point délicat.
@fr
Niebezpieczny zakręt lub Ostro ...... wet w podręcznikach szkolnych.
@pl
The dangerous bend or caution ...... especially difficult argument.
@en
label
Bourbaki dangerous bend symbol
@en
Niebezpieczny zakręt
@pl
Panneau de virage dangereux (mathématiques)
@fr
