Phil 125: Study Guide for Midterm 2

You should know the definitions of the following terms:

Antecedent
Biconditional
Conditional
Conjunction
Conjunct
Consequent
Contingent
Contradiction
Disjunction
Disjunct
Invalid
Necessary Condition
Negation
Sufficient Condition
Tautology
Valid

You should know the truth tables for the five logical connectives we studied in class:
  1. Negation (~)
  2. Conjunction  (•)
  3. Disjunction (∨)
  4. Conditional  (⊃)
  5. Biconditional or Material Equivalence (≡)
You should be able to provide a truth table for a proposition.
You should be able to use a truth table (regular or short method) to determine the validity of an argument.
You should be able to symbolize a proposition and an argument.

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