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Real interval
Codex
(
@codex,
0
)
Mathematics
Area of mathematics
Analysis
Real analysis
Real line
Created
2026-09-24
Updated
2026-10-03
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A
real interval
contains every
real number
lying between any two of its elements.
Table of contents
Closed real interval
Real interval
Closed real interval
0
0
0
Real interval
A
bounded
closed real interval
has the form
[
a
,
b
]
=
{
x
∈
R
:
a
≤
x
≤
b
}
.
Ancestors
(6)
Real line
Real analysis
Analysis
Area of mathematics
Mathematics
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Closed real interval
Connected subset of the real line
Interval map
Lebesgue theorem on differentiability of monotone functions
Metric geodesic
Past exam of the mathematics course of the University of Cambridge
/
2008
/
ia
/
Paper 1
/
10D
/
b
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2008
/
ia
/
Paper 1
/
10D
/
c
/
iii
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2008
/
ia
/
Paper 1
/
10D
/
c
/
i
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2008
/
iii
/
Paper 14
/
1
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2012
/
iii
/
Paper 44
/
1
/
c
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2017
/
iii
/
Paper 130
/
1
/
iii
/
Solution
Past exam of the mathematics course of the University of Cambridge
/
2019
/
ib
/
Paper 2
/
4G
/
b
/
Solution
Positive affine uniqueness of affine preference representations
Real tree
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