Stephen's Guide to the Logical Fallacies

Stephen's Guide to the Logical Fallacies ~ Drawing an Affirmative Conclusion From a Negative Premise


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  • All Fallacies
  • The Fallacies

  • False Dilemma
  • Argument From Ignorance
  • Slippery Slope
  • Complex Question
  • Appeal to Force
  • Appeal to Pity
  • Appeal to Consequences
  • Prejudicial Language
  • Appeal to Popularity
  • Anonymous Authorities
  • Coincidental Correlation
  • Attacking the Person
  • Appeal to Authority
  • Converse Accident
  • Style Over Substance
  • Unrepresentative Sample
  • Hasty Generalization
  • False Analogy
  • Slothful Induction
  • Fallacy of Exclusion
  • Accident
  • Joint Effect
  • Genuine but Insignificant Cause
  • Wrong Direction
  • Complex Cause
  • Begging the Question
  • Irrelevant Conclusion
  • Straw Man
  • Equivocation
  • Amphiboly
  • Accent
  • Composition
  • Division
  • Affirming the Consequent
  • Denying the Antecedent
  • Inconsistency
  • Fallacy of Four Terms
  • Undistributed Middle
  • Illicit Major
  • Illicit Minor
  • Fallacy of Exclusive Premises
  • Drawing an Affirmative Conclusion From a Negative Premise
  • Existential Fallacy
  • Subverted Support
  • Non-Support
  • Untestability
  • Limited Scope
  • Limited Depth
  • Too Broad
  • Too Narrow
  • Drawing an Affirmative Conclusion From a Negative Premise

    Category: fallacies:

    Definition: As the name implies

    Examples:

    Proof:

    The conclusion of a standard form categorical syllogism is affirmative, but at least one of the premises is negative.

    Assume that the premises are true. Find an example which allows the premises to be true but which clearly contradicts the conclusion. Copi and Cohen: 210


    Created by Stephen Downes, Copyright 2024 CC By-NC-SA