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Critical Thinking
Midterm #2
37
Philosophy
Undergraduate 3
03/30/2010

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Term
Definiendum
Definition
the word(s) to be defined
Term
Definiens
Definition
the group of words that do the defining
Term
Stipulative Definition
Definition
Gives meaning to a word for the first time. ex) iPod
Term
Lexical Definition
Definition
Reports the way a word is already used in a language. ex)dictionary definitions
Term
precising definition
Definition
Reduces vagueness of a term. ex) poor = an annual income less than 4,000/year
Term
theoretical definition
Definition
Suggests a theory that gives a characterization of a term. ex) Heat means the energy associated with the random motion of molecules of a substance. *THEORY*- if molecules speed up, heat increases
Term
persuasive definition
Definition
Produces a favorable or unfavorable attitude towards the definiendum. ex) Abortion means the ruthless murdering of innocent human beings.
Term
Extensional definitions
Definition
Denotative. Assigns a meaning to a term by indication the members of the class that the definiendum denotes.
Term
demonstrative definition (extensional)
Definition
Term is illustrated by pointing at object. ex) A chair means this --->
Term
enumerative definition (extensional)
Definition
Assigns meaning to a term by naming members of the class the term denotes. ex) Actress means a person such as Nicole Kidman or Uma Thurman.
Term
definition by subclass (extensional)
Definition
Assigns meaning to a term by naming subclasses of the class stated by term. ex) Tree means an oak, pine, elm, or maple.
Term
Intensional definition (Connotative)
Definition
Assigns a meaning to a word by indicating the qualities that the word presents.
Term
synonymous definition (intensional)
Definition
The definiens is a single word that reflects the same attributes as the term. ex) Physician means doctor.
Term
etymological definition (intensional)
Definition
Assigns a meaning by disclosing the word's ancestry in other languages. ex) Democracy derives from the Greek words demos, meaning populace and kratos, meaning power.
Term
operational definition (intensional)
Definition
Assigns meaning by specifying certain experimental procedures. ex) A pork roast is cooked if a thermometer reads at least 155F.
Term
definition by genus and difference (intensional)
Definition
Identifies a genus term and one or more difference words that convey the meaning when combined. ex) Tent means a collapsible shelter made of canvas or other material that is stretched and sustained by poles. (Tent is species, shelter is genus, and collapsible/made of canvas are the difference.)
Term
8 Criteria for lexical definitions
Definition
1)conform to standard grammar
2)convey essential meaning (convey important attributes of term)
3)shouldn't be too broad/narrow
4)can not be circular
5)should not be negative unless necessary (concord means the absence of discord (-) vs. concord means harmony
6)should avoid figurative (metaphors), obscure (defective language/overly technical), vague (blurred meaning), or ambiguous (can lead to more then one interpretation)
7)avoid affective terminology (shouldn't affect emotions with sarcasm)
8)should indicate the context (a strike in baseball, bowling, or fishing have different meanings)
Term
formal fallacy
Definition
can be identified by examining form of argument (All A are B, All C are B = All A are C)
Term
informal fallacy
Definition
detected by examining content of argument (A chess player is a person therefore, a bad chess player is a bad person.)
Term
appeal to force
Definition
tells person some harm will come unless conclusion is accepted
Term
appeal to pity
Definition
arguer attempts to support a conclusion by evoking pity to reader
Term
appeal to people
Definition
Uses positive desires to get reader to accept a conclusion.
-Direct approach= arguer excites emotion of crowd to accept conclusion (Adolf Hitler)
-Indirect approach= arguer aims appeal at individuals by relating to aspects of the crowd
Term
bandwagon argument (indirect approach to people)
Definition
you will be left behind if you don't listen to arguer
Term
appeal to vanity (indirect approach to people)
Definition
associates argument to someone who is admired. ex) The few, the proud, the Marines.
Term
appeal to snobbery (indirect approach to people)
Definition
states that by doing something, it will cause something to happen.
Term
argument against the person
Definition
Involves two arguers. One arguer attacks the other instead of the argument.
1)ad hominen abusive- second person verbally abuses the first person.
2)ad hominen circumstantial- respondent tries to discredit by alluding that opponent is predisposed to argue a certain way
3)tu quogue- second arguer shows that argument is hypocritical(YOU did it TOO)
Term
accident
Definition
Committed when a general rule is applied to a specific case it was not intended to cover. The rule is cited and wrongly applied to specific case/conclusion.
Term
straw man
Definition
Arguer distorts opponent's argument for the purpose of attacking it and destroying original argument. Usually exaggerates or is extreme.
Term
missing the point
Definition
Occurs when a vague conclusion is drawn instead of the correct conclusion. ex)Crimes of theft have been increasing. The conclusion is that we must reinstate the death penalty.
Term
red herring
Definition
Arguer changes subject to a loosely related subject.
Term
fallacies of weak induction
Definition
connection between premises and conclusion is not strong enough to support the conclusion
Term
appeal to unqualified authority (weak induction)
Definition
Argument from unreliable authority.
Term
appeal to ignorance
Definition
Premise states that nothing has been proved and conclusion makes an assertion about that thing.
Term
hasty generalization
Definition
Occurs when a sample is not large or random enough to assume the conclusion.
Term
false cause
Definition
Link between premise and conclusion depends on an imagined causal connection.
1)post hoc ergo- because one event precedes another, the first event causes the second
2)non causa pro causa- what is taken to be cause of something is not really the cause and mistake is something else
3)oversimplified cause- arguer selects one out of a multitude of causes
4)gambler's fallacy- conclusion is based on chance
Term
slippery slope
Definition
conclusion results on alleged chain reaction and there isn't sufficient reason to believe reaction will take place
Term
weak analogy
Definition
Analogy isn't strong enough to support conclusion. ex)Harper's new car is blue and gets excellent gas mileage. Tom's new car is also blue. So, it probably gets excellent gas mileage.
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