Chapter 6

  • Fallacies

    Subjectivism I want it to be true, so it is true.
    Appeal to MajorityMost people think something, so it must be true.
    Appeal to EmotionI feel good about something, so it must be true.
    Appeal to ForceAgree with me or else ... !
    Appeal to AuthorityDr. So-and-so is an expert on physics, so he must be an authority on economics.
    Ad hominemWhat my opponent is saying cannot be true, since he is a known paper-clip thief.
    False alternativeEither comets go around the Sun or they are debris from the asteroid belt.
    Post hocThe full moon made the stock market crash.
    Hasty GeneralizationMy team won a game, so they must be the greatest team of all time.
    CompositionSo-and-so is a great player, so her team must be a great team.
    DivisionThe so-and-so's are a great team, so they must all be great players.
    Begging the QuestionOnly planets can orbit the Sun, so asteroids must be planets.
    EquivocationAll men are created equal. But women are not men, so all women are not necessarily created equal.
    Appeal to IgnoranceNo one has proven that it's not true, so it must be true.
    DiversionWhat my opponent is saying about smoking cannot be true, since tobacco plants have as much right to exist as you or I.

Fallacies | Question? | Self-test | Logic Page 1