Philosophy Lexicon of Arguments

Intensions: intensions are reference objects resulting from a linguistic description, in contrast to the material objects (extensions) that may differ therefrom, whether due to inaccuracies, or by the use of indexical expressions. Examples of intensions are “the oldest person in the room”, “the winner”, “John's favorite quote”, “the one who violates the speed limit”. See also morning star/evening star, extensionality, extension.
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II 70
Definition Intension: the predicate P: that what defines the extension in every world.
II 70
Intension/Extension/Cresswell: this distinction is in contrast to the distinction sense/reference. - intension/extension: is distinguished within the realm of the reference - reference: any linguistic expression is simply an intension - intension: is simply something that is the element of a D's ((s) of any meaning category.) - Intension: that what is known if one knows the meaning of a simple predicate. -> see below II, 77).
II 149
Morning Star/Evening Star/M.St./E.St./Kripke/Cresswell: since Kripke the evening star - morning star problem is mostly formulated with Phosphorus and Hesperus - (names are more problematic than descriptions.).

Cr I
M. J. Cresswell
Semantical Essays (Possible worlds and their rivals) Dordrecht Boston 1988

M. J. Cresswell
Structured Meanings Cambridge Mass. 1984

> Counter arguments against Cresswell
> Counter arguments in relation to Intensions

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Ed. Martin Schulz, access date 2017-05-25