Is the following statement is True/false?$f : \mathbb{R} \rightarrow \mathbb{R}$
100979
Uniform continuity of a function and cauchy sequences
20789
If $\Sigma \vdash \varphi$ then $\Sigma \vdash \forall x \varphi$. Why when $(\varphi \implies \forall x \varphi)$ is not true?
134384
What does $\rightarrow$ mean in $p \rightarrow q$
142637
If $f \in \mathcal{L}^1(\mathbb{R})$ then $\lim_{h\rightarrow 0}\int_{-\infty}^\infty |f(x+h)-f(x)|dx\rightarrow 0$
76674
Let $S:U\rightarrow V, \ T:V\rightarrow W$ and if $S$ and $T$ are both injective/surjective, is $T\circ S$ injective/surjective?
54321
Questions about $f: \mathbb{R} \rightarrow \mathbb{R}$ with bounded derivative
40232
What do we mean when we say "Let $x$ be an element of the set $\mathbb{R}$"?
61375
Meaning of $\mathbb{R}[x]$
84189
Is $\mathbb{C}$ equal to $\mathbb{R}^2$?
83326
$f:\mathbb R\to\mathbb R$ continuous function. Which of the following sets can not be image of $(0,1]$ under $f$?
136056
$ f:\mathbb C\rightarrow \mathbb C$ defined by $f(z)=0$, if $Re(z)=0$ or $Im(z)=0$ and $f(z)=z$, otherwise.
53101
Is it true that the relation |A| < |B| is a sufficient condition for claiming that $f$ is a bijection?
11453
Find a real function $f:\mathbb{R}\to\mathbb{R}$ such that $f(f(x)) = -x$?
92376
Let $f:A \rightarrow B$ and C ⊂A. Define f[C]={b∈B: b=f(a) for some a∈C}. Prove or disprove each of the statement
63952
Disproving: If $(\Gamma\vdash(\phi\,\lor\psi))$, either $(\Gamma\vdash\phi)$ or $(\Gamma\vdash\psi)$ is true
92089
If $f:[a,b]\to \mathbb{R}$ is continuous and nonnegative and $\int_a^b{f}=0$, then $f(x)=0$ for all $x\in [a,b]$
578
In classical logic, why is $(p\Rightarrow q)$ True if both $p$ and $q$ are False?