Prove or disprove that the language L is regular
68841
Is it true that a language is regular?
127397
$z\overline{w}\ne 1 $ Prove that $|\frac{w-z}{1-\overline{w}z}|\le 1|$ if $|z|\le 1$ and $|w|\le 1 $
144633
Verification of proof involving logarithms and limits
63701
An example of a regular function over an open set
131212
Prove that if $A$ is regular then $\operatorname{adj}(\operatorname{adj}(A)) = (\det A)^{n-2} A$
85799
Finding languages such that $L_{1} \subseteq L_{2} \subseteq L_{3}$ where $L_{1}, L_{3} \notin \mathbb{R}$, $L_{2} \in \mathbb{R}$
107842
Behaviour of ($\overline{a}_n)_{n=1}^{\infty}$ and ($\underline{a}_n)_{n=1}^{\infty}$
36943
How to prove that $L=${$a^p$: p is prime} isn't regular?
121694
How to prove $\log n \leq \sqrt n$ over natural numbers?
114608
Proof concerning regular space: there exist a closed set contained in any open set containing $x$
149889
Prove that $|\log(1 + x^2) - \log(1 + y^2)| \le |x-y|$
59724
Proving that $x_n\to L$ implies $|x_n|\to |L|$, and what about the converse?
20467
Show that $(y_n)\in l^q$
109926
Axiom of Regularity and infinite sequences
35630
Proof for formal languages
142315
How does the Axiom of Regularity apply to $A=\{1,2,3\}$?
39092
The result of ls * , ls ** and ls ***