Introductory Logic |
Quiz #4
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October 10, 2005
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Name: ________________________ |
R. Hammack
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Score: _________
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(a)
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If pharmaceutical makers conceal test results, they are subject to substantial fines. |
(b)
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Three-strikes laws will be enforced and longer sentences imposed only if hundreds of new prisons are built, and that will happen only if taxes are increased. |
2.
(a)
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Write out the truth table for ⊃ |
(b)
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Write out the truth table for • |
3. Suppose statements A and B are true, and X and Y are false. Decide
if the following statement is true or false.
X ≡ [(A • ~B) ⊃ (X ∨ A)] |