Hum011 Logical Opposition Flashcards
(18 cards)
Mutual exclusivity between concepts
Logical opposition
Relations existing in between propositions with the same subject and predicate but differing in quality and quantity
Mutual exclusivity
4 types of logical Oppositions?
Contradiction
Contrary
Subcontrary
Subalternation
A ↔ O
Contradiction
E ↔ I
Contradiction
Truth Value of Contradiction
T > F
F > T
A ↔ E
Contrary
Truth Value of Contrary
T > F
F> D
truth value that exists between true and false
Doubtful
I ↔ O
Sub Contrary
Truth Value of Subcontrary
T > D
F > T
A ↔ I
Subalternation
E ↔ O
Subalternation
Truth Value of Subalternation
Universal:
T > T
F > D
Particular
T > D
F > F
What are applicable to Contradiction?
A ↔ O
E ↔ I
What are applicable to contrary?
A ↔ E
What are applicable to Subcontrary
I ↔ O
What are applicable to Subalternation>
A ↔ I
E ↔ o
