Let's say I have:
\bigcup_{a \in X}
This will print a big U with $a \in X$ below it. Now, let's say I also want to write $b \in Y$ and $c \in Z$below that big U. Is this possible?
Let's say I have:
\bigcup_{a \in X}
This will print a big U with $a \in X$ below it. Now, let's say I also want to write $b \in Y$ and $c \in Z$below that big U. Is this possible?