Propositions Advanced Quiz 2

1. What classification tracks a proposition that asserts an absolute, necessary structural truth with zero condition variants?

2. What classification tracks a proposition that states a simple factual matter of fact without asserting structural necessity?

3. What classification tracks a proposition that states a mere possibility rather than a fact or necessity?

4. What formal semantic issue arises when a proposition explicitly contains a structural predicate that maps to nothing?

5. Under a strict modern analysis, what feature of an A statement prevents drawing a valid subalternation inference?

6. Which theory replaces complex referring proposition phrases with formal quantified variables to expose structural logic?

7. What is the logical designation for a compound proposition where the truth value of the main connector varies across indices?

8. What is the specific name of an immediate inference operation that is unconditionally valid for only E and I statements?

9. What is the specific name of an immediate inference operation that is unconditionally valid for only A and O statements?

10. Under modern predicate rules, what unique status allows a universal statement to be safely evaluated as true?