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distinguishing properly between terms and their referents / sets of referents; and adjusting to the fact that verbs and adjectives have definitions too |
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'''Extensional and intensional definitions''' are two key ways in which object or concept can be defined.
==Intensional definition==
{{also|Intension}}
In [[logic]] and [[mathematics]], an '''intensional definition''' gives the [[Meaning (linguistic)|meaning]] of a term by specifying [[Necessity and sufficiency|necessary and sufficient conditions]] for when the term should be used. In the case of [[nouns]], this is equivalent to specifying the [[Property (philosophy)|properties]] that an [[Object (philosophy)|object]] needs to have in order to be counted as a [[referent]] of the term.
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