Which of the following option is correct for the given predicate with domain of all people
Where F(x, y) means ‘x is a friend of y’.
- If two persons are not friend of each other then they have atleast one friend common.
- If two persons have atleast one common friend then they are not friend of each other.
- Both (a) and (b)
- None of the above
I think the answer should be there exists a person all of his friends are not friends with each other
but the solution says b