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Arguments
ECU PHIL 1500 Intro to logic
Question | Answer |
---|---|
Argument | a set of sentences containing evidence offered in support of a conclusion |
inductive argument | can never guarantee the conclusions truth |
deductive arguments | can guarantee the that the conclusion is true |
What does the validity of a deductive argument depend on? | form |
counterexample | an instance of an argument form in which all the premises are true and the conclusion is false |
Either clintion or Dole was president in 1999. Dole was not president in 1999. Therefore, Clinton was president in 1999. | Valid |
Not both Clinton and Dole were president in 1999. Clintion was not president in 1999. Therefore, Gore was not president in 1999. | Invalid |