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Single Idea 10295

[filed under theme 8. Modes of Existence / B. Properties / 12. Denial of Properties ]

Full Idea

Quine doubts the existence of properties, and, trying to be helpful, suggests that variables ranging over properties be replaced with variables ranging over respectable extensional entities like sets, so we can 'identify' a property with a singleton set.

Gist of Idea

Quine suggests that properties can be replaced with extensional entities like sets

Source

report of Willard Quine (works [1961]) by Stewart Shapiro - Higher-Order Logic 2.1

Book Ref

'Blackwell Guide to Philosophical Logic', ed/tr. Goble,Lou [Blackwell 2001], p.36


A Reaction

This strikes me as a classic modern heresy, a slippery slope that loses all grip on what a property is, replacing it with entities that mean nothing, but make the logic work.


The 18 ideas with the same theme [rejection of the category of properties]:

Accidents are not parts of bodies (like blood in a cloth); they have accidents as things have a size [Hobbes]
We realise that properties are sensations of the feeling subject, not part of the thing [Nietzsche]
Russell can't attribute existence to properties [McGinn on Russell]
Because things can share attributes, we cannot individuate attributes clearly [Quine]
Predicates are not names; predicates are the other parties to predication [Quine]
There is no proper identity concept for properties, and it is hard to distinguish one from two [Quine]
Quine suggests that properties can be replaced with extensional entities like sets [Quine, by Shapiro]
Quine says that if second-order logic is to quantify over properties, that can be done in first-order predicate logic [Quine, by Benardete,JA]
Quine brought classes into semantics to get rid of properties [Quine, by McGinn]
Don't analyse 'red is a colour' as involving properties. Say 'all red things are coloured things' [Quine, by Orenstein]
Very nominalistic philosophers deny properties, though scientists accept them [Putnam]
Redness is not a property as it is not mind-independent [Ellis]
Field presumes properties can be eliminated from science [Field,H, by Szabó]
If possible worlds are needed to define properties, maybe we should abandon properties [Scruton]
Nominalists ask why we should postulate properties at all [Mellor/Oliver]
Fundamental physics seems to suggest there are no such things as properties [Maudlin]
Does the knowledge of each property require an infinity of accompanying knowledge? [Macdonald,C]
We can reduce properties to true formulas [Halbach/Leigh]