Determine which of the lettered claims below is equivalent to the following: If the gun has a trigger lock, then it can be sold. (This can be easy to do if you symbolize the claims first and have some familiarity either with truth tables or with the Group II rules for derivations-the truth-functional equivalences.)A. Only if the gun has a trigger lock can it be sold.B. The gun has no trigger lock, but it can be sold anyway.C. If the gun cannot be sold, then it has no trigger lock.D. If the gun has no trigger lock, then it can be sold.

Fill in the blank(s) with the appropriate word(s).


Equivalent to C.

Philosophy & Belief

You might also like to view...

Basic Analogical Reasoning Judy is considering the purchase of a new Kitchen Maid dishwasher. Judy's friend Jasper bought a new Kitchen Maid six months ago, and he finds that the dishwasher gets his dishes, cups, glasses, and eating utensils sparkling clean. Judy reasons that a new Kitchen Maid will do just as well for her. How do the following facts bear on Judy's conclusion? Judy changes her

conclusion to state that she will get results almost as good as Jasper's. A) Weakens. B) Strengthens. C) Has no effect.

Philosophy & Belief

There are many sub-cultures in each culture

a. true b. false

Philosophy & Belief

Kant believed men and women possessed different virtues

Indicate whether the statement is true or false.

Philosophy & Belief

This person is best known as the author of The Fountainhead and Atlas Shrugged

a. Niccolo Machievelli b. Thomas Hobbes c. Gloria Steinem d. Ayn Rand

Philosophy & Belief