Question

If p: AB is a ray and q: A is the initial point, write ~q → ~p

Answer 1

p: AB is a ray

q: A is the initial point of the ray

~ means "not"

~q: A is not the initial point of the ray

~p: AB is not a ray

Answer 2

~q → ~p

If A is not the initial point, then AB is not a ray.

@monoixde