Question

what does the following equation means?

Answer 1

does it mean that first we take the unions and then we apply the intersection?

Answer 2

@satellite73 can you please help me?

Answer 3

i wish i knew
but yes, it means first take the unions and then take the intersections

Answer 4

what level of math is this? Just curious...

Answer 5

undergrad

Answer 6

yes, undergraduate but the name of the course
Is this intro to analysis or math foundations?

Answer 7

probability with measure http://www.maths.manchester.ac.uk/~jhb/classprobwepages/notes1.pdf

Answer 8

@mathslover any clue?

Answer 9

sorry, did not study this in my undergrad days. Hope someone will be able to help you later on

Answer 10

take a look at this for an intuitive idea of what this means