Negation
Opposite meaning. ~p: "not p" or "negation of p". Usually insert the word "not
Conjunction
P^q is true only when both p and q are true
Disjunction
P v q is true when either p is true q is true or both p and q are true
Conditional statement
p--q is true in every case except when p is a true statement and q is a false statement
Biconditional statement
p - q is true only when p and q have the same truth value