1: What is Logic?

Key Terms

Premise
Conclusion
Truth
Validity
Soundness
Deductive
Inductive

Understanding Arguments

Example Argument/Claim
Premise(s): All dogs are mammals. I have a pet dog.
Conclusion: Therefore, my pet is a mammal.

  • Structure of Arguments
    • Premise(s): the reasons why you should agree with my conclusion
    • Conclusion: my point of view
  • Evaluating Arguments
    • Truth: are the supporting reasons true?
    • Validity: is the form of the argument logical?
    • Soundness: true reasons + valid structure = sound argument
  • Types of Arguments
    • Deductive - Conclusions leading to Evidence
    • Inductive - Evidence leading to conclusion