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Limit of a sequence ${a_n}$

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#real-analysis #sequences-and-series #real-numbers
345
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A Rational Game (Question on Real Analysis)

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#real-analysis #real-numbers #irrational-numbers #rational-numbers
1.4k
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Disproving Cantor's diagonal argument

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#elementary-set-theory #real-numbers
438
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Comparing sets of possible values

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#elementary-set-theory #real-numbers #infinity
119
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How to prove that $x \in \mathbb{Q}$ such that $s^2 < x^2 < 5$.

Published on
#real-numbers
166
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Open Set Examples in Real Numbers

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#real-analysis #analysis #real-numbers
87
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Classical proof of irrationality of square root of two vs axiomatic construction of the real numbers

Published on
#logic #real-numbers
270
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How is $ \mathbb Q$ related to $\mathbb R\;$?

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#real-numbers #irrational-numbers
71
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How to show if a set is an open set in R

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#real-analysis #general-topology #discrete-mathematics #real-numbers #epsilon-delta
236
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Given an interval around each rational number: How to find a real number which is in none of these intervals?

Published on
#real-numbers #rational-numbers #interval-arithmetic
56
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Can this statement about supremum be proven directly?

Published on
#real-analysis #real-numbers #alternative-proof
45
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Lebesgue measurable set equivalence

Published on
#measure-theory #real-numbers
60
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Finding functions that intersect at the minimum number of points

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#real-analysis #functions #elementary-set-theory #real-numbers
34
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Find all real numbers satisfying 3 conditions with sums

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#real-analysis #real-numbers
141
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A nowhere dense set containing arbitrarily close arithmetic progressions

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#real-analysis #general-topology #number-theory #real-numbers #arithmetic-progressions

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