Elegantly determine if more than one boolean is “true”

Question

I have a set of five boolean values. If more than one of these are true I want to excecute a particular function. What is the most elegant way you can think of that would al

Answer 1

if((b1.CompareTo( false ) + b2.CompareTo( false ) + b3.CompareTo( false ) + ...) > 1)

// More than one of them are true

...

else

...