Fallacies Flashcards
(37 cards)
What is a fallacy?
An argument of a type that is generally recognised to be bad.
What is a formal (structural) fallacy?
A fallacy that has a defined structural fault e.g affirming the consequent.
What is a content fallacy?
A fallacy that relies on dubious premises.
What do fallacies solely apply to?
To arguments in their standard form, with all missing or assumed premises made explicit.
What is a good website about fallacies?
www.fallacyfiles.org
What is the difference between Formal (structural) and Informal (content) fallacies?
The former violate the logic condition and the latter violate the truth condition.
What is the first rule for argumentation?
You can’t argue with someone who is intentionally trying to mislead or deceive you.
What is the second rule for argumentation?
You can’t argue with someone who is unwilling to reason well.
E.g. people invested into some cause.
What is the third rule for argumentation?
You can’t argue with someone who is unable to reason well.
E.g. children or less cable people.
What is the fourth rule for argumentation?
An argument has to give reasons for believing or accepting the conclusion.
What is Ad Hominem?
The fallacy of rejecting a claim based on our judgement of the person and not the merits of the claim.
In which two major ways can an argument be bad?
By violating the truth condition (bad premises), or by violating the logic condition (conclusion doesn’t follow from the premises).
Is Ad Hominem always a fallacy?
No; because in some cases the character of the person is relevant in assessing the probability of a claim.
e.g. criminal trial.
What is Abusive Ad Hominem?
It’s when the character of the person is attacked.
What is Gilt By Association Ad Hominem?
When we judge the persons arguments based on her/his associations.
What is a tu quoque Ad Hominem?
Is a fallacy in which the argument of someone is judged in light of what that person did contrary with what they claim (hypocrisy).
What is an Appeal to Popular Belief (or Practice) ad Hominem?
A fallacy perpetrated by using premises that rely on common belief or practice for the argument to be true.
What is the Appeal To Authority fallacy?
When an argument rests on the authority of a source outside the argument itself i.e. because such-and-such says so.
Is all appeal to authority fallacious?
No, when it clearly comes fim a source of almost unquestionable authority it is probably valid.
What type of premise does the Appeal To Authority stance rely on?
(Almost) anything that A days about S is (probably) true.
Where A is the authority and S is the subject matter in question.
What is the False Dilema fallacy?
A fallacy in which you are given options that don’t include all the real options.
AKA False Dichotomy
Of the two types of fallacy, which category does False Dichotomy fall into?
Content fallacy
Give the argument form of a disjunctive syllogism that is always valid.
- A or B
- not-A
- Therefore, B
Give the argument form of a disjunctive syllogism that is invalid for a inclusive disjunction.
- A or B
- A
- Therefore, not-B