I tried this: $x\in \cap_{i\in \emptyset}A_i\iff x\in A_i\forall i\in \emptyset$ and the right hand side is vacuously ture--right? So this means it is equivalent to $x$ being an element of ... any set?
What is $\cap_{i\in \emptyset}A_i$?
3
$\begingroup$
set-theory
-
5Yes.$~~~~~~~~~$ – 2012-10-16