Hum011 Logical Opposition Flashcards
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
