Question

This probably sounds a bit naive but what does the sign: ~ mean in math?
Please Help

Answer 1

as in:

Answer 2

In probability this sign means "not"

Answer 3

In this case it means the probability that B does NOT happen given that A happens

Answer 4

awesome thank you!

Answer 5

it also means negation in proof writing as well.

Answer 6

And in geometry it denotes similarity

Answer 7

That means one figure obtained from another figure by means of enlarging/reducing/transformation/rotation