In which of the following propositions are both subject and predicate distributed?
All automobiles are vehicles
No airplanes are boats
Some campers are hikers
Some bikes are cars.
On the modern square of opposition, the proposition ‘All lunar craters are volcanic formations’ and ‘No lunar carters are volcanic formations’ are
Logically equivalent
Contradictory
Logically undetermined
Consistent
What is the contrapositive of the proposition ‘Some colleges are for-profit companies’?
All colleges are for-profit companies
No for-profit companies are colleges
Some non-for-profit companies are non-colleges
Some colleges are not non-for-profit companies
Which is correct of the following immediate inference?
No individuals who laugh all the time are people with a true sense of humor. Therefore, no people with a true sense of humor are individuals who laugh all the time.
Conclusion is the obverse of the premise
Valid inference
Conclusion is logically undetermined
Conclusion is contrapositive
1. The correct answer is Option B. No airplanes are boats.
2. The correct answer is Option B. These statements are contradictory.
3. The correct answer is Option C. Some not for profit companies are non colleges.
4. The correct answer is Option B. This is a valid inference.
In which of the following propositions are both subject and predicate distributed? All automobiles are vehicles...
According to the Boolean interpretation, universal propositions have Existential import No existential import Inductive strength Deductive validity According to the Aristotelian interpretation, the proposition ‘All pine trees are maples’ Implies that pine trees exist Doesn’t imply that pine trees exist Is necessarily true Is likely to be true According to the modern square of opposition, ‘All S are P’ is contradictory to No S are P All P are S Some S are p Some S are not P Which...