Question

For which conditions is p ∨ q false?

p is true and q is false.
p is true and q is true.
p is false and q is true.
p is false and q is false.

Answer 1

p ∨ q is false only when both p and q are false.

So the only condition listed that makes p ∨ q false is:
- p is false and q is false.