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Top Questions
49
votes
What exactly is a matrix?
linear-algebra
matrices
soft-question
asked May 15, 2018 at 19:16
math.stackexchange.com
25
votes
How "same" are two isomorphic groups?
group-theory
group-isomorphism
asked Dec 27, 2021 at 16:38
math.stackexchange.com
12
votes
What is the logical flaw in this reasoning? Abusing $T \equiv T \vee F$.
logic
first-order-logic
predicate-logic
asked Aug 22, 2021 at 10:40
math.stackexchange.com
11
votes
Why do we eventually end up with $0$ in Euclidean Algorithm?
elementary-number-theory
asked Oct 13, 2018 at 16:34
math.stackexchange.com
9
votes
If the order in a set doesn’t matter, can we change order of, say, $\Bbb{N}$?
elementary-set-theory
natural-numbers
asked Aug 15, 2018 at 12:11
math.stackexchange.com
9
votes
What are the functions that make composite functions called?
terminology
asked Jul 11, 2018 at 13:10
math.stackexchange.com
7
votes
Finding number of permutations of order $k$ in $S_n$
group-theory
discrete-mathematics
permutations
symmetric-groups
permutation-cycles
asked Nov 16, 2021 at 11:46
math.stackexchange.com
6
votes
Solution verification of $\lim\limits_{n \to \infty} \sum\limits_{r=1}^{n}\dfrac{1}{(n+r)^p}$?
real-analysis
calculus
sequences-and-series
limits
solution-verification
asked Jun 18, 2021 at 10:17
math.stackexchange.com
5
votes
Does $\dfrac{d}{dx} f(x) = 0 \Rightarrow f(x)$ is a constant function?
calculus
limits
asked Sep 26, 2018 at 10:57
math.stackexchange.com
5
votes
Why are integer GCDs positive? [unit normalization of GCDs]
abstract-algebra
elementary-number-theory
greatest-common-divisor
asked Oct 2, 2018 at 10:12
math.stackexchange.com
1
2
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