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Valid - Finite Math - Quiz, Exercises of Mathematics

Main points of this past exam are: Valid, Symbolic Statement, Tautology, Contrapositive, Truth Table, Building, Defendant

Typology: Exercises

2012/2013

Uploaded on 03/31/2013

pariyat
pariyat 🇮🇳

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MA 125-06
§1.4 – 1.5 Quiz #2 score
Name:
9 September 2000
1. Write the contrapositive of the following statement. (6 points)
If I do well in this class, then I will be proud of myself.
2. Determine if the symbolic statement (p ∧q) →(p ∨q) is valid (i.e., is a tautology) using
a truth table. (7 points)
3. Determine if the following argument is valid by converting it to symbolic notation and
building a truth table. (7 points)
If the defendant goes to jail, then he is not innocent. If his lawyer is good, the
defendant does not go to jail. The defendant goes to jail. Therefore, he is not
innocent or his lawyer is not good.

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MA 125-

Quiz

score

Name:

9 September 2000

  1. Write the contrapositive of the following statement. (6 points)

If I do well in this class, then I will be proud of myself.

  1. Determine if the symbolic statement (p ∧ q) → (p ∨ q) is valid (i.e., is a tautology) using a truth table. (7 points)
  2. Determine if the following argument is valid by converting it to symbolic notation and building a truth table. (7 points)

If the defendant goes to jail, then he is not innocent. If his lawyer is good, the defendant does not go to jail. The defendant goes to jail. Therefore, he is not innocent or his lawyer is not good.