Newbetuts

Proof question: Sequences of measurable functions $f_n$, such that for almost all $x$, set $f_n(x)$ is bounded...

Prove $A\cap (B\cup C) \subseteq (A\cap B) \cup C$

Spivak Calculus, Ch. 4 Graphs, Problem 18

Probability of $13$ men and $2$ women divided in $3$ equal groups such that no women are in same group

Number of surjections between finite sets (what is wrong with my solution?)

A binary operation defined on a set with one element

A 1/x function that intesects both the x and y axes at specific points, and whose shape can be changed.

Show that: $\inf(A+B) = \inf(A)+ \inf(B)$

Is $\mathbb{Z}_{10}^*$ cyclic or not? [duplicate]

Solving $|1 - \ln(1 - |2x| + x)| = |1 - |3x||$

Find the eigenvalue of a stochastic matrix by only using linear operator

Prove that there exists a sequence $\{x_n\}_{n \in \mathbb{N}} \subseteq A$ such that $\lim_{n \to \infty} x_n = I$

Prove that given $r \parallel s$, if t intersects r then it must intersect s

If $f: A\rightarrow B$ and $g: B\rightarrow C$ are surjective, then $g\circ f$ is surjective.

$f:X \to Y $ is continuous on $X$ and $(X, d_1) $ is compact. Then $f:X\to Y$ is uniformly continuous on $X$

New posts in solution-verification

Prove that for all $x \in [0,\ln2]$ we have $x+1 \leq e^x \leq 2x+1$

Let $a \geq 0$. $|x| \leq a$ iff $-a \leq x \leq a$.

$\sqrt{6}-\sqrt{2}-\sqrt{3}$ is irrational

Detect Wrong Proof by strong induction $a^{n-1}=1$ for all $n$

Prove that $\int_E |f_n-f|\to0 \iff \lim\limits_{n\to\infty}\int_E|f_n|=\int_E|f|.$

Proof question: Sequences of measurable functions $f_n$, such that for almost all $x$, set $f_n(x)$ is bounded...

Prove $A\cap (B\cup C) \subseteq (A\cap B) \cup C$

Spivak Calculus, Ch. 4 Graphs, Problem 18

Probability of $13$ men and $2$ women divided in $3$ equal groups such that no women are in same group

Number of surjections between finite sets (what is wrong with my solution?)

A binary operation defined on a set with one element

A 1/x function that intesects both the x and y axes at specific points, and whose shape can be changed.

Show that: $\inf(A+B) = \inf(A)+ \inf(B)$

Is $\mathbb{Z}_{10}^*$ cyclic or not? [duplicate]

Solving $|1 - \ln(1 - |2x| + x)| = |1 - |3x||$

Find the eigenvalue of a stochastic matrix by only using linear operator

Prove that there exists a sequence $\{x_n\}_{n \in \mathbb{N}} \subseteq A$ such that $\lim_{n \to \infty} x_n = I$

Prove that given $r \parallel s$, if t intersects r then it must intersect s

If $f: A\rightarrow B$ and $g: B\rightarrow C$ are surjective, then $g\circ f$ is surjective.

$f:X \to Y $ is continuous on $X$ and $(X, d_1) $ is compact. Then $f:X\to Y$ is uniformly continuous on $X$