Philosophy Lexicon of Arguments

Natural Kinds, philosophy: deviating from the biological definition, substances such as gold, water, etc. are referred to as natural kinds in the recent philosophical discussion. This goes back to the way in which these terms were introduced. (See H. Putnam, “The Meaning of 'Meaning”'. In Philosophical Papers, Vol. 2. Mind, Language and Reality, Cambridge.) Starting from a primary showing, the natural kind is defined as "something like this". The decisive point here is that there is no limit to future research. Virtually, any property that is initially attributed can prove to be a false assumption. See also introduction, definitions, terms.
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I 37
Description theory/natural kind/twin earth/Schiffer: no solution: -"the beings that are co-specific with such and such looking beings which I met" - then "cat" refers to both. - does not work. (see below) - belief must not be single digit, then it would not be indexed to the person - (then both had the same belief anyway).
I 41
Natural kind/belief/Schiffer: Problem: the theories of Kripke/Putnam: natural kinds are unsuitable for belief predicates - Kripke: original term "dog": "this kind of thing" - (paradigmatic instances).
I 54
Natural kind/proposition/belief/Schiffer: E.g. Tanya believes that Gustav is a dog - Problem: the proposition cannot be the content of belief, because there is no representation of the role that represents the natural kind term "dog" here - 1. possibility: that-sentence with predicate, "that" refers to property (dog) - (Classic: they are introduced directly into the proposition). - 2. Frege: Proposition does not contain dog property, but a way of counter-one, which is how Tanya imagines dog property (belief de re) - Problem: then the that-sentence does not refer to the complete content of belief, but e.g. (Em) (m is a manner of presentation of dog property & B (Tanya)) - ((s) one does not know how Tanya imagines a dog) - then (3) cannot be the content of belief: (3) - natural kind: it may be that there is no non-pleonastic language-independent characteristic of being a dog.
I 55
Natural kind/Wittgenstein/Putnam/Kripke: not only to define by observing Termini (or observable properties) - because we lack appropriate expressions for dog-like appearance and behavior. - Right: properties of acquaintance/Russell.

Schi I
St. Schiffer
Remnants of Meaning Cambridge 1987

> Counter arguments against Schiffer

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