Arguments Flashcards
Argument Flaw Type
NECESSARY VS. SUFFICIENT
Assumes something required to get a result is enough by itself to guarantee the result.
Assumes something guaranteed to get a result is a requirement of the result.
Argument Flaw Type
CASUAL
Assumes correlation indicates causation.
Assumes there are no other causes.
Assumes causality is not reversed.
Argument Flaw Type
SURVEYS AND SAMPLES
Assumes a survey/small is representative of a larger population.
Assumes a survey/sample is relevant to the conclusion and conducted without flaws in methodology.
Argument Flaw Type
COMPARISON
Assumes two things or time periods are comparable in all relevant factors.
Assumes what is true of a part us true of the whole. OR, Assumes what is true of the whole is true of a part.
Argument Flaw Type
PERCENTAGES/NUMBERS
Assumes percentages or ratios are based on the same quantities.
Argument Flaw Type
ABSENCE OF EVIDENCE
Assumes lack of evidence for a phenomenon is taken as proof it does not exist.
Assumes a flaw in evidence attempting to prove a phenomenon is taken as evidence it does not exist.
Argument Flaw Type
APPEALS AND ATTACKS
Assumes something is true because an (often dubious) authority says so.
Assumes a personal characteristic is replace by to the substance of that person’s argument.
Argument Flaw Type
SHIFTING MEANINGS
Switches the meaning of a term in the middle if an argument without acknowledging the shift.
Argument Flaw Type
CIRCULAR
The conclusion merely restates the premises.
The conclusion is no more than a paraphrase of the evidence offered I support of it.
Circular
The argument appeals to the emotion of pity rather than addressing the issue raise.
Appeals and Attacks
The argument equivocates with respect to a central concept.
Shifting Meaning
The argument assumes what it sets out to prove.
Circular Reasoning
The term “self interest” is allowed to shift in meaning over the course of the argument.
Shifting Meaning
The argument treats something that is necessary for bringing about a state of affairs as something that is sufficient to bring about that state of affairs.
Necessary vs. Sufficient