**Logic
and Critical Reasoning**

quiz #6 information

**Quiz
#6 (which is optional) will be given Tuesday, Dec. 14, 2010, from 9:45 am
to 12 noon.**

The quiz will include the following material:

***Key concepts around arguments** (Including premises, conclusions,
validity, soundness)

***Meanings
and truth-table definitions of the logical operators**
(not, and, or, if ... then ..., if and only if)

***Translations
between English and proposiitional logic.**

***Informal
fallacies**
(definition, recognize different kinds of fallacy, explain the flaw in reasoning
in a particular fallacy).

***Key
concepts about wffs or sets of wffs** (tautology, contradiction, contingent,
equivalent, satisfiable, unsatisfiable)

***Truth-tables**
(basics about how to construct them, how to use them to determine whether
an argument is valid or invlaid, how to use them to determine whether a set
of wffs is satisfiable or unsatisfiable, or equivalent, how to use them to
determine whether a wff is a tautology, a contradiction, or contingent)

***Proofs**
(how to use rules of inference and rules of replacement, how to construct indirect
and conditional proofs)

If your performance
on Quiz 6 is **worse** than your worst letter-grade on Quizzes
1-5, Quiz 6 will **not** count toward your final grade.

If your performance
on Quiz 6 is **better** than your worst letter-grade on Quizzes
1-5, Quiz 6 will be weighted as **two** quizzes in computing
your final quiz grade (i.e., Quiz 6 will count for 1/3 of your quiz average).

**Besides
coming to class and asking questions, the best way to study for this quiz
is to work through homework problems and problems
from the old quizzes**.

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