Shared Flashcard Set

Details

Proof Rules
18 Proof Rules
18
Philosophy
Undergraduate 2
04/17/2012

Additional Philosophy Flashcards

 


 

Cards

Term
Modus Ponens
Definition
(A-B), A , so B
Term
Modus Tollens
Definition
(A-B), ~B, so ~A
Term
Hypothetical Syllogism
Definition
(A-B), (B-C), so (A-C)
Term
Disjunctive Syllogism
Definition
(A v B), ~A, so B (A v B), ~B, so A
Term
Constructive Dilemma
Definition
(A v B), (A-C), (B-D), so (C v D)
Term
Simplification
Definition
(A * B), so B
(A * B), so A
Term
Conjunction
Definition
A, B, so (A * B)
Term
Addition
Definition
A, so (A v B)
Term
Double Negation
Definition
A :: ~~A
Term
Communication
Definition
(A v B) :: (B v A)
(A * B) :: (B * A)
Term
Association
Definition
[A v (b v C)] :: [(A v B) v C]
[A * (B * C)] :: [(A * B) * C]
Term
DeMorgan's Law
Definition
~(A * B) :: (~A * ~B)
~(A v C) :: (~A v ~B)
Term
Contraposition
Definition
(A-B) :: (~B-~A)
Term
Distribution
Definition
[A * (B v C)] :: [(A * B) v (A * C)]
[A v (B * C)] :: [(A v B) * (A * C)]
Term
Exportation
Definition
[(A * B)-C] :: [A-(B-C)]
Term
Redundancy
Definition
A :: A * A
A :: A v A
Term
Material Equivalence
Definition
A IFF B :: [(A-B) * (B-A)]
A IFF B :: [(A * B) v (~A * ~B)]
Term
Material Implication
Definition
(A-B) :: (~A v B)
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