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15
Math.TechQA.Club
2026-04-14 17:08:58
144
Views
Showing that a sequence has bounded derivatives at a point but is not equicontinuous at that point
Published on
14 Apr 2026 - 17:08
#real-analysis
#analysis
#derivatives
#proof-explanation
#equicontinuity
260
Views
Is this proof for Theorem 28.1. Munkres' <it>Topology</it> correct?
Published on
15 Apr 2026 - 8:41
#general-topology
#proof-explanation
35
Views
One step in the derivation of the expectation maximization algorithm.
Published on
16 Apr 2026 - 13:54
#proof-explanation
384
Views
Empty set and universal instantiation
Published on
15 Apr 2026 - 10:42
#elementary-set-theory
#relations
#proof-explanation
151
Views
Prove the following claim $\sum\limits_{i=1}^{n} i^{3} = \frac 14(n^4 - 3n^2 + 2n^2 + 4)$
Published on
17 Apr 2026 - 14:38
#proof-verification
#induction
#proof-explanation
36
Views
Assuming p $\to$ (q OR r) and p $\to$ (q OR NOT r), prove p $\to$ q
Published on
17 Apr 2026 - 3:31
#discrete-mathematics
#proof-verification
#proof-explanation
38
Views
Theorem $10$ part $ii$ of the paper $I$ and $I^*$ convergence in topological spaces by P.Das and D.K. Lahiri
Published on
15 Apr 2026 - 0:59
#general-topology
#ideals
#proof-explanation
#separation-axioms
160
Views
How to find the first factor of a polynomial
Published on
11 Apr 2026 - 10:26
#polynomials
#factoring
#proof-explanation
338
Views
A sequence in a family of continuous functions over a $\sigma$-compact metric space has a uniformly convergent subsequence
Published on
14 Apr 2026 - 23:57
#real-analysis
#compactness
#proof-explanation
#arzela-ascoli
#equicontinuity
7.9k
Views
Proof of infinitely many prime numbers
Published on
14 Apr 2026 - 7:45
#elementary-number-theory
#prime-numbers
#proof-explanation
419
Views
Is this proof for Corollary 29.4. Munkres Topology correct?
Published on
15 Apr 2026 - 19:09
#general-topology
#proof-explanation
31
Views
When $a, b > 0$ and $a = b$, how does $ab-a^2 = b^2 - a^2$?
Published on
14 Apr 2026 - 8:18
#algebra-precalculus
#proof-explanation
1.2k
Views
Fermat Numbers Theorem Proof by Induction
Published on
12 Apr 2026 - 8:46
#induction
#proof-explanation
#fermat-numbers
429
Views
On Householder Reflectors.
Published on
15 Apr 2026 - 4:15
#linear-algebra
#proof-explanation
#orthogonality
#reflection
118
Views
What's the reason for this step in proof of reversed triangle inequality?
Published on
11 Apr 2026 - 21:35
#algebra-precalculus
#inequality
#proof-explanation
#absolute-value
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