Shared Flashcard Set

Details

Definitions
General Logic - Of Definitions
27
Other
Not Applicable
03/14/2007

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Cards

Term
definiendum
Definition
symbol/thing being defined (i.e. the term)
cannot be true or false
Term
definien
Definition
symbol/group of symbols use to explain the meaning of the definiendum (i.e. the defintion)
Term
Stipulative definitions
Definition
pick a word and give it a definition
Term
lexical
Definition
reports on the meaning of a symbol
can be true or false
Term
precising
Definition
helps narrow/specify, clear up ambiguity or vagueness
Term
theoretical
Definition
capture the nature of something in the large, theoretical context
Term
persuasive
Definition
use language to evoke favor or disfavor
Term
extension
Definition
denotative, collection of all objects the term refers to
Term
intension
Definition
attributes shared by all objects and only those objects to which a general term applies = connotative meaning
Term
intension determines extension
Definition
not vice-versa
Term
terms _______ have different extension and same intension
Definition
cannot
Term
with more attributes intension increases, but extension ________
Definition
decreases
Term
ostensive definition
Definition
point at the thing
Term
quasi-ostensive
Definition
a denotative definition that uses gestures and a descriptive phrase
Term
subjective -
objective -
conventional -
Definition
what the individual believes the ats. are
includes all actual attributes
commonly accepted intension
Term
Rules for definitions by genus and species
Definition
1 - state central attributes
2 - must not be circular
3 - neither too broad nor too thin
4 - not ambiguous
5 - not negative were it could be positive
Term
contradictories
Definition
opposite sides of the square

t-f
f-t
Term
quantity
Definition
all (universal), some (particular)
Term
quality
Definition
affirmative or negative
Term
distributive
Definition
a term is distributive if it refers to all members of its corresponding class

ex. all cows are mammals
Term
mediate vs. immediate
Definition
2 premises vs. 1 premise
Term
contrary
Definition
cannot both be true
t - f
f - u
Term
sub-contraries
Definition
cannot both be false
f - t
f - u
Term
subalternation
Definition
top - bottom: t-t, f-u
bottom -top: f-f, t-u
Term
conversion
Definition
switch subject and predicate
t-t, f-u
Term
obversion
Definition
1 - change quality (affirm vs negative)
2 - replace predicate with complement

t-t
f-f
Term
contraposition
Definition
1 - switch subject and predicate
2 - replace both with complements

t-t
f-f
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