Question

In Exercises 35–40, write the statement in symbolic form.

Let

p:
The tent is pitched.
q:
The bonfire is burning.

Answer 1

The bonfire is not burning if and only if the tent is not pitched.

Answer 2

-q = -p ?

Answer 3

~q <--> ~ p

"If and only if" is a biconditional statement designated by a two-way arrow.

Read about biconditionals at the following link:
http://www.mathgoodies.com/lessons/vol9/biconditional.html

Answer 4

Ahh...