Answer
a) Someone from your school has visited North Dakota.
b) Everyone from your school has visited North Dakota.
c) No one from your school has visited north Dakota.
d) Someone from your school has not visited North Dakota.
e) Not everyone from your school has visited North Dakota.
f) No one from your school has visited north Dakota.
Work Step by Step
In predicate logic, $\forall$ means that the predicate applies to everyone in the domain, $\exists$ means that the predicate applies to at least one person in the domain, and $\neg$ means to negate what follows. Keeping this in mind, we formulate each of the sentences based upon the given formulas and the order in which the symbols appear.
