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15
Math.TechQA.Club
2026-04-14 12:54:13
306
Views
Subset of a metric space is a metric space.
Published on
14 Apr 2026 - 12:54
#real-analysis
#general-topology
#analysis
#proof-verification
#proof-explanation
891
Views
Show that the set of all algebraic numbers over the field of rationals is countable
Published on
29 Apr 2026 - 3:23
#proof-verification
#elementary-set-theory
#proof-writing
102
Views
Inference using Biconditional statements (For each of these sets of premises, what relevant conclusion(s) can be drawn? Rosen 8th Ed
Published on
16 Apr 2026 - 16:02
#proof-verification
#logic
504
Views
Expectation and variance of the number of elements of a random non-empty set selected from a finite power set
Published on
14 Apr 2026 - 21:22
#probability-theory
#proof-verification
#probability-distributions
#alternative-proof
#binomial-distribution
53
Views
Showing $\{ \alpha _{i} \}$ forms a basis of $V$
Published on
16 Apr 2026 - 9:39
#linear-algebra
#proof-verification
108
Views
Reasoning check on geometric distribution question
Published on
13 Apr 2026 - 13:34
#probability
#probability-theory
#proof-verification
#probability-distributions
241
Views
Finding remainder when unknown $f(x)$ is divided to $g(x)$
Published on
14 Apr 2026 - 0:35
#proof-verification
#polynomials
#roots
914
Views
Proving $f$ is continuous if $f_1$ and $f_2$ are continuous and the reciprocal
Published on
29 Apr 2026 - 3:23
#general-topology
#proof-verification
#proof-writing
497
Views
When extending the natural numbers to the integers when is it legal to set a natural number equal to an integer.
Published on
26 Mar 2026 - 1:23
#elementary-number-theory
#proof-verification
#equivalence-relations
#integers
#natural-numbers
65
Views
Elementary Set Theory : Are my proofs correct?
Published on
16 Apr 2026 - 7:10
#proof-verification
#elementary-set-theory
98
Views
Showing that there exists an element in abelian group from Herstein
Published on
14 Apr 2026 - 17:03
#abstract-algebra
#group-theory
#proof-verification
158
Views
What are the odds to return a product based on its probability to be defective?
Published on
13 Apr 2026 - 12:01
#probability
#probability-theory
#proof-verification
#probability-distributions
377
Views
$[T,S]:=TS-ST=I$ cannot holds
Published on
09 Apr 2026 - 7:10
#functional-analysis
#proof-verification
#operator-theory
214
Views
Gallian's Exercise 4.76: a 2008 GRE practice exam question: "exactly two of $x^3$, $x^5$, and $x^9$ are equal, determine $\lvert x^{13}\rvert$".
Published on
16 Apr 2026 - 15:17
#group-theory
#proof-verification
#cyclic-groups
54
Views
Prove that each element of polynomial ring with irreducible characteristic has exactly one minimum polynomial.
Published on
14 Apr 2026 - 23:28
#abstract-algebra
#proof-verification
#polynomials
#ring-theory
#finite-fields
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