Show that R[0,1] is not complete
12913
space of riemann integrable functions not complete
21570
Intersection of a family of non-empty closed intervals
115272
Showing that projections $\mathbb{R}^2 \to \mathbb{R}$ are not closed
155579
Show that $End_A(A)$ = {$r_a$ | $a ∈ A$}
47820
How can I show a supremum of a set is also its limit point?
80735
Show that $C_0([a, b], \mathbb{R})$ is not $\sigma$-compact
16060
Showing this metric space is complete
90540
What is wrong in this proof: That $\mathbb{R}$ has measure zero
92588
Showing that $(C_0([0,\infty)), \|\cdot\|_\infty)$ is complete.
61640
Prove c exists for f:[0,1] -> R
38257
Continuous bijection from $(0,1)$ to $[0,1]$
152223
If $0<r<1$ show that $r^n$ goes to $0$ as $n$ goes to 1.
86717
Completeness of $\langle \mathscr{C} [0, 1], \| \cdot \|_1 \rangle$
35569
Prove that $[0,1]$ isn't homeomorphic to $\mathbb{R}$
9696
The interval [0,1] andd [3,5] are equivalent. Is my proof correct?
157939
prove that a graph is one-ended
41872
Show that $\mathbb{R}^2$ is not homeomorphic to $\mathbb{R}^2 \setminus\{(0,0)\}$