# Math Help - Expressing events

1. ## Expressing events

I am given three events; E, F and G.

I need to express the following, in terms of their events and complements;

- At least one of E, F and G

How do i go about doing this? I seem to get a really long expression, but there must be a short way of going about it.

2. Originally Posted by Mcoolta
I am given three events; E, F and G.
I need to express the following, in terms of their events and complements;
- At least one of E, F and G
The short way is $\mathcal{P}(E\cup F\cup G)$
or $1-\mathcal{P}(E^c\cap F^c\cap G^c)$.