If "or" is used in its non-exclusive sense, which of the five following syllogisms is invalid?

a. Either P or Q.
Not P.
Therefore, Q.
b. Either P or Q.
Not Q.
Therefore, P.
c. Either P or Q.
P.
Therefore, not Q.
d. Either P or Q.
Q.
Therefore, not P.
e. Both c and d.


e

Philosophy & Belief

You might also like to view...

________ is defined as the belief that because God is all-powerful and all-knowing, a human being's ultimate reward or punishment is already decreed by God.

A. Apocalypticism B. Redemption C. Predestination D. Ecumenism

Philosophy & Belief

INSTRUCTIONS: In each problem below you are given a statement, its truth value in parentheses, and a new statement. You must determine how the new statement is related to the given statement and determine the truth value of the new statement. Adopt the Aristotelian standpoint and assume that 'A' and 'B' denote things that actually exist. No A are B. (T) Some A are B

A) Contraposition. (Und.) B) Subalternation. (T) C) Conversion. (T) D) Contrary. (F) E) Contradiction. (F)

Philosophy & Belief

According to Mill, when a person chooses a lower pleasure over a higher:

a. this implies that the lower pleasure is better. b. the person has become incapable of recognizing the higher pleasure. c. the person is still capable of recognizing the higher pleasure. d. a and c. e. b and c.

Philosophy & Belief

How many Tirthankaras do Jains worship in their temples?

a. 16 b. 20 c. 23 d. 24

Philosophy & Belief