Given are the sets $V=\{\emptyset,0,\pi,7\}$ and $W=\{0,\mathbb R\}$.
Which of the following statements are true? (Explain your answer).
a) $7\in V$
b) $7\in W$
c) $V\cup W=\{\emptyset,0,\pi,7,\mathbb R\}$
d) $V\cap W=\{0,\pi,7\}$
e) $W\setminus \mathbb R=\emptyset$
f) $V\setminus \mathbb R=\{\emptyset\}$
g) $V\setminus W=\{\emptyset,\pi,7\}$
h) $\mathbb R\subset W$
i) $\emptyset \in W$
j) $\emptyset \subset V$