Homework SourseSuppose p is a contradiction q is a tautology and r is a con
Suppose p is a contradiction, q is a tautology, and r is a contingent sentence. Which of the following are true?
A) r, therefore q is an invalid argument
B) p,therefore r is a valid argument
C) q unless r is a tautology
D) r, therefore p is an invalid argument
E) p, therefore q is an invalid argument
Suppose p is a contradiction, q is a tautology, and r is a contingent sentence. Which of the following are true?
A) r, therefore q is an invalid argument
B) p,therefore r is a valid argument
C) q unless r is a tautology
D) r, therefore p is an invalid argument
E) p, therefore q is an invalid argument
A) r, therefore q is an invalid argument
B) p,therefore r is a valid argument
C) q unless r is a tautology
D) r, therefore p is an invalid argument
E) p, therefore q is an invalid argument
Solution
B and C
