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New posts in real-numbers
24 different complex numbers
complex-numbers
contest-math
real-numbers
Is there a real number which comes just after a particular real number?
order-theory
real-numbers
The difference between 10 and 9.99999 ... (recurring) [duplicate]
real-analysis
algebra-precalculus
real-numbers
decimal-expansion
Multiple of real numbers with only $0$'s and $1$'s in the integer part
elementary-number-theory
real-numbers
ceiling-and-floor-functions
decimal-expansion
Given $|| u + v || = || u - v ||$ show $\langle u , v\rangle = 0$
vector-spaces
inner-products
real-numbers
orthogonality
Definitions of supremum
real-analysis
real-numbers
supremum-and-infimum
Can $f(x)=\frac{1}{\frac{1}{x}}$ always simplify to $f(x)=x$? Is f(0) = 0 or undefined? [duplicate]
functions
real-numbers
infinity
Is $\frac{1}{\frac{1}{x}}$ defined at $x=0$?
functions
real-numbers
infinity
Problem about pointwise convergence.
real-analysis
sequences-and-series
real-numbers
How is $ai^{bi}$ a real number?
number-theory
complex-numbers
exponentiation
real-numbers
Why do new real numbers show up in Gödel's constructible hierarchy
set-theory
real-numbers
Is this direct proof of an inequality wrong?
inequality
proof-verification
proof-writing
real-numbers
Convert numbers between 0 and infinity to numbers between 0.0 and 1.0
real-numbers
number-line
Proof there is a rational between any two reals
proof-writing
solution-verification
real-numbers
Interesting short Inequality
algebra-precalculus
inequality
polynomials
contest-math
real-numbers
intuition of decomposition of $\mathbb{R}$ into disjoint union of first category and null set
real-analysis
measure-theory
real-numbers
baire-category
Proving the properties of polynomial functions without using calculus
real-analysis
derivatives
polynomials
real-numbers
Is Cantor's diagonal argument dependent on the base used?
elementary-set-theory
discrete-mathematics
fractions
real-numbers
binary
Is $\lim\limits_{n\rightarrow\infty} n$ comparable to $\aleph_0$?
elementary-set-theory
cardinals
real-numbers
infinity
Conjugate of real number
radicals
real-numbers
rational-numbers
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