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bn:03613893n
Noun Concept
SYL
No term available
EN
In geometry and algebra, a real number r {\displaystyle r} is constructible if and only if, given a line segment of unit length, a line segment of length | r | {\displaystyle |r|} can be constructed with compass and straightedge in a finite number of steps. Wikipedia
Relations
Sources
IS A
EN
algebraic number
EN
real number
EN
computable number
HAS KIND
EN
rational number
HAS INSTANCE
EN
golden section
CARDINALITY OF THIS SET
EN
aleph null
DIFFERENT FROM
EN
computable number
FACET OF
EN
compass and straightedge construction

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