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Chapter 5
Jeff McLaughlin - phil 1110
17
Philosophy
Undergraduate 1
02/10/2015

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Term
A priori Analogy
Definition
An argument by analogy in which the analogue case can be hypothetical or fictitious because the relevant similarities between the analogue and the primary subject done depend on the existence of the analogue.
Term
Analogue
Definition
what the primary subject is being compared to in an argument from analogy
Term
Argument from analogy
Definition
An argument that draws a conclusion about one case (called the "primary subject") on the basis of its similarities to another case (call the "analogue")
Term
Deductive argument
Definition
An argument in which the premises are intended to provide a guarantee of the truth of the conclusion
Term
faulty analogy
Definition
An argument from analogy in which the primary subject and the analogue case have no similarities or are relevantly dissimilar.
Term
inductive analogy
Definition
An argument by analogy in which the analogue must be a real case or group of cases.
Term
Inductive argument
Definition
An argument in which the premiss are intended to provide a high degree of probability that the conclusion within a complex argument.
Term
primary subject
Definition
In an argument by analogy, the subject of the conclusion.
Term
Problem of induction.
Definition
A problem with inductive reasoning about future events. the problem is that we can in general never be certain that future events will resemble past events, so no matter how many observations we've made about the past, we can't be certain that those observations will help us to accurately predict the future. Despite this problem, reasoning on the basis of strong inductive arguments is rational.
Term
random sample
Definition
A sample in which every member of the represented population has an equal prospect of being included.
Term
sample
Definition
a subset selection of a population. Samples are used for inductive generalizations.
Term
Sound arguments
Definition
A deductive argument that is valid and has only true premises.
Term
Strong inductive argument
Definition
An inductive argument that successfully shows that its conclusion is highly likely.
Term
strong argument from analogy
Definition
An argument from analogy in which the primary subject and the analogue case have relevant similarities and either no differences or only irrelevant differences.
Term
Target population
Definition
All individuals within the population that is being considered. For example, if you are attempting to determine the favourite book of Canadian school children, the target population is Canadian school children.
Term
Valid Argument
Definition
A deductive argument in which the premises necessarily lead to the conclusion; that is, it is impossible for the arguments premises to be true and its conclusion to be false. if its possible for the premises of the deductive argument to be true and the conclusion to be false, the argument is invalid.
Term
Weak argument from analogy
Definition
An argument from analogy in which the primary subject and the analogue case have few relevant similarities or have relevant dissimilarities.
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