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Inaccurately describing an opponent's view in such a way that makes it easy to refute
Straw Man
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The "if" part of a conditional
Antecedent
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Forgetting that things may happen for a variety of reasons, not just one
Overlooking Alternatives
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AnĀ argument such that, when properly formed, if the premises are true, then the conclusion is too
Deductive Argument
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GeneralizingĀ from too few examples
Overgeneralizing
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Implicity using your conclusion as a premise
Begging the question
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A combination of statement in which one statement is supported by other(s)
Argument
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Posing a question for which either answer implies an answer to an unasked question
Complex question
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A statement in an argument that is meant to support the truth of another statement
Premise
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An argument in which the premises support but do not guarantee the conclusion
Inductive Argument
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A condition that must obtain if another condition is to obtain
Necessary Condition
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Assuming that A caused B merely because A happened after B
post hoc, ergo propter hoc
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Defining a term in a way that may seem to be straight forward but is in fact loaded
Persusive Definition
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Using loaded language to disparage an argument before even mentioning it.
Poisoning the well
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The "then" part of a conditional
Consequent
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One thing must be like another in one aspect because they are similar in other aspects
Analogy
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An "if...then..." statement
Conditional
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A conditional, that, when it obtains is enough to make another condition obtain
Sufficient condition
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The quality of an argument in which the premises could be true while the conclusion is false
Invalid
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The quality of an argument such that if the premises are true, the conclusion must be true
Valid
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The quality of an argument that is valid and has true premises
Sound
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The quality of an argument that either is invalid or is valid but has at least one false premise
Unsound
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Same as begging the question
Circular Argument
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Inferring a general truth from a sample of instances or examples
Generalization
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A statement in an argument that is meant to be supported by the other statement(s)
Conclusion
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Latin for "begging the question"
Petitio principii
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Introducing an irrelevant subject and thereby diverting attention from the main subject
Red herring
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Sliding from one meaning of a term to another in the middle of an argument
Equivocation
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Appealing to the emotions of a crowd, or appealing to a person to go along with the crowd
ad populum
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Arguing that a claim is true just because it has not been shown to be false
ad ignorantiam
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Attacking the person rather than his/her qualifications, reliability, or argument
ad hominem
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Appealing to pity as an argument for special treatment
ad misericordiam
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Drawing a conclusion that "does not follow" from the evidence
non sequitur
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Language that primarily plays on the emotions
Loaded language
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Generic term for any questionable conclusion about cause and effect
False cause
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Reducing options to just two when there might be more options
False dilemma
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p or q. Not p. Therefore, q
Disjunctive syllogism
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p or q. If p then r. If q then s. Therefore, r or s.
Dilemma
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If p then q. Not q. Therefore, not p
modus tollens
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If p then q. p. Therefore, q.
Modus ponens
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If p then q. If q then r. Therefore, if p then r.
Hypothetical syllogism
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If p then q. Not p. Therefore, not q
Denying the antecedent
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If p then q. q. Therefore, p
Affirming the consequent
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p must be true, because if we assume not p, then q follows, and q is false or "absurd"
reductio ad absurdum
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