Symbols

 

Conjunction   ·   True if both conjuncts are true

Disjunction    v   False only if both disjuncts are false

Negation        ~  Assigns a truth value opposite to original

Equivalence   =  True if both equivalents have the same truth-value

Implication    ->  True if the antecedent is true and the consequent is false

Singular        (Fa) True if its predicate applies to the subject, singled out by a singular

term. The singular term, such as a proper name or definite description (my teacher, the tallest student in class) purports to designate an object in the world.

 

Particular      (3x)(Fx)       True if its predicate purports to apply (or be denied from) at

 least one member of its subject  set

 

General         (Vx)(Fx)       True if its predicate purports to apply (or be denied from)

 every member of its subject set