Denying the antecedent

What it is

Reasons "If A then B; not A; therefore not B". B may happen for other reasons.

Related

• Affirming the consequent fallacy
  They are twins: both are invalid ways of reasoning from "if A then B".
• Belief bias bias
  We tend to accept an invalid form when its conclusion is believable.

References

• Wikipedia: Denying the antecedent en.wikipedia.org
• Internet Encyclopedia of Philosophy: Fallacies iep.utm.edu
• Stanford Encyclopedia of Philosophy: Fallacies plato.stanford.edu
• Wikipedia: List of fallacies en.wikipedia.org
• Purdue OWL: Logical fallacies owl.purdue.edu

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