The argument form "If A then B; Not B; So, not A" is called
A. modus tollens.
B. constructive dilemma.
C. hypothetical syllogism.
D. modus ponens.
A. modus tollens.
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INSTRUCTIONS: Use an ordinary truth table to answer the following problems. Construct the truth table as per the instructions in the textbook. Given the argument: S ? L / L ? ? S // S ? ? L This argument is:
A) Invalid; fails in 1st line. B) Invalid; fails in 2nd line. C) Valid. D) Invalid; fails in 3rd line. E) Invalid; fails in 4th line.
The strength of philosophical thinking is:
1. it helps us to feel confident and secure in our beliefs. 2. it encourages us to question old ways of thinking and to expand the boundaries of knowledge. 3. it allows us to appear profound. 4. it proves that God exists.
Picking out those premises that are essential to an argument's success and attempting to refute as many as necessary to knock out the conclusion's support is known as ________.
A. selective targeting B. cherry picking C. argument culling D. reductio ad absurdum
A case of morality is:
a. exactly like the case of a triangle. b. a case in which all the facts are known before a moral judgment is made. c. not like the case of a triangle, since no new fact is discovere d. d. "exactly like the case of a triangle" and "a case in which all the facts areknown before a moral judgment is made." e. "a case in which all the facts are known before a moral judgment is made"and "not like the case of a triangle, since no new fact is discovere d. "