Misrepresenting information, data, or facts in an argument
Distorting the facts
Supporting a position by instilling irrational fear of the alternatives
Appeal to Fear
Creating negative associations preemptively to discredit another person or position
Poisoning the well
Saying that something is true because there is no evidence against it.
Appeal to Ignorance
Using a word or phrase or claim that gives rise to more than one possible interpretation
Ambiguity
Reducing a complex thing to a simple cause or consequence
Oversimplification
Misrepresenting an argument so that you can attack the misrepresentation rather than the actual argument
Straw Man
Comparing two things that may be similar in some ways but remain different in other ways
False Analogy
Asserting that a claim is true by citing someone thought to be an authority, regardless of the merits of the position or the relevance of the authority's expertise
Appeal to Authority
Presupposing facts that are assumed in the question itself
Many Questions
Distorting evidence to support a preexisting belief or idea
Protecting the Hypothesis
Justifying a weak idea or position by changing or qualifying it each time it is challenged
Death by a thousand qualifications
Making two words or phrases equivalent in meaning while ignoring contextual differences
equivocation
Presenting a question or issue intended to divert and distract from the central or most relevant question or issue
red herring
Making an unwarranted claim by misapplying or misusing rules and standards
Special pleading
Making an unwarranted claim by misapplying or misusing rules and standards
Special Pleading
Jumping to conclusions based on insufficient evidence or biases
Hasty Generalization
Assuming that all members of a set share characteristics of the set as a whole
Division
Arguing that an idea or action will lead inevitably to unrealistically steeper and steeper consequences
Slippery Slope
Literally "against the man" -- Attacking the character of a person by providing irrelevant negative information
Ad Hominem
Establishing only two opposing positions or points when more might be available or when the opposing positions are not mutually exclusive
False Dichotomy
Literally "it does not follow" Drawing conclusions that are unrelated or do not follow logically from the premises
Non sequitur
Literally "after this, therefore because of this" Assuming that sequence equals consequence
Post Hoc, Ergo Propter Hoc
Arguing a position based on the real or imagined origin, history, or source of the idea
Genetic Fallacy
Assuming that a set shares characteristics with a given member of a set (the reverse of division fallacy)
Composition