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user1020500
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5 votes
1 answer
317 views

$\mathbf{Q}$ as the countable intersection of open sets?

5 votes
1 answer
129 views

Alternate forms of the Cantor Function? (aka Devil's Staircase)

4 votes
0 answers
125 views

Induction-based proofs to show the Cantor Set is Perfect

3 votes
1 answer
81 views

Verify taking the derivative of this polynomial

2 votes
1 answer
57 views

When can we safely treat $dx$ like it were a real number during integration by substitution

2 votes
0 answers
25 views

Notational Ambiguity Regarding Functional Limits

2 votes
0 answers
170 views

Can you come up with a pseudorandom order for a deck of cards?

1 vote
0 answers
105 views

Proof that the Blancmange Curve is non-differentiable at the dyadic points of $\mathbf{R}$

1 vote
1 answer
111 views

How to construct a finite sub-cover of an arbitrary compact set in $\mathbf{R}$

1 vote
0 answers
110 views

When is the intersection of Perfect sets also perfect?

1 vote
1 answer
65 views

How to prove the compound angle formula rigorously, starting only from the Taylor series definition

1 vote
1 answer
50 views

Manipulating divergent sequences using the Algebraic Limit Theorems

1 vote
2 answers
117 views

A hamming-esque code to correct up to 2 bit errors

1 vote
0 answers
28 views

Explain this proof on proving the basic integral property

1 vote
1 answer
88 views

An alternative axiom to the peano axiom of induction?

0 votes
0 answers
48 views

Explain this proof of the Wallis product

0 votes
1 answer
31 views

Is it possible for a function to equal its Taylor series on a half interval

0 votes
0 answers
35 views

Is it possible to meaningfully define the Riemann Integral for unbounded functions?

0 votes
0 answers
18 views

Every partition has the same upper reimann sum: a flawed proof.

0 votes
1 answer
36 views

Do these conditions guarantee differentiability at the endpoints? [duplicate]

0 votes
1 answer
63 views

Finishing off the proof of the Weierstrass Approximation Theorem

0 votes
2 answers
51 views

Why do we even talk about $\mathbf{R}^2$ when describing complex functions?