Exam 1 Flashcards
Argument whose premises are supposed to provide reason to believe that the conclusion follows with logical necessity from the premises
Deductive Argument
P•Q //P
P•Q // Q
Simplification
Argument whose premises are supposed to provide reason to believe the conclusion is highly likely or probable
Inductive argument
Deductive argument w/ 2 premises & 1 conclusion
Syllogism
P
Q
P•Q
Conjunction
P v Q
P
// ~Q
Disjunctive Fallacy
X>Y
~X
~Y
Denying the antecedent
(P>Q) • (R>S)
P v R
Q v S
Constructive Dilemma
P> Q
P
Q
Modus Ponens
P v Q
P v R
P v S
P v (any legal symbol)
Addition
P v Q ~P Q --------- P v Q ~Q P
Disjunctive Syllogism
Some M are G
Some F are M
Some F are G
Undistributed Middle Term
X > Y // Y > X
False Conversion
P > Q
Q > R
// R > P
Pure Hypothetical Syllogism
X> Y
Y
// X
Affirming the concequent