our lesson is about "TRUTH TABLE" and also " PROPOSITION" our Professor gave us an exercise, but i don't know exactly to do THIS, could you please help me out? i provide some picture(examples in my drive) if it's not enough please do let me know. thanks.

my drive:

https://drive.google.com/folderview?id=1YQ5GvPAwebKhG37JWd0HbEmn6p1s5zp8

Direction:

"TRUTH TABLE"

*Converteach compound propositions into symbols. *Construct the Truth Table for each proposition. * Tell if the Truth table of the proposition is a Tautology, Contingency or Contradiction.

Let:

a= You like him.

b= He likes you.

c = You are just friends.

d = You have label.

questions:

1. If you like him and he does not like you, then you are just friends.

2. You like him or he does not like you, if and only if you have no label and you are just friend.

3. It is not the case that, he likes you or

you like him, then you have no label.