CHAPTER 8: LOGICAL OPPOSITION Flashcards
relationship between two propositions that have the same subject and predicate but have different quantity / quality
logical opposition
upgrading or adjustment belief in the light
inference
kinds of inference
- immediate inference
- mediate inference
process of drawing a conclusion from only one given proposition
immediate inference
process of drawing a conclusion from two given propositions
mediate inference
kinds of logical oppositions and their truth value
- Contradictory Opposition (CD)
- Contrary Opposition (CT)
- Sub- Contrary Opposition (SC)
- Sub-altern Opposition (SA)
have same subject and predicate but have different quality and quantity
contradictory opposition (CD)
two propositions that have the same subject and predicate
contrary opposition (CT)
opposition of two propositions that have the same subject and predicate and the same particular quantity but have different quality
sub-contrary opposition