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Single Idea 12577

[filed under theme 18. Thought / D. Concepts / 3. Ontology of Concepts / b. Concepts as abilities ]

Full Idea

Possession of any concept requires the capacity to make judgements whose content contain it.

Gist of Idea

Possessing a concept is being able to make judgements which use it

Source

Christopher Peacocke (A Study of Concepts [1992], 2.1)

Book Ref

Peacocke,Christopher: 'A Study of Concepts' [MIT 1999], p.44

A Reaction

Idea 12575 suggested that concept possession was an ability just to think about the concept. Why add that one must actually be able to make a judgement? Presumably to get truth in there somewhere. I may only speculate and fantasise, rather than judge.

Related Idea

Idea 12575 Concepts have a 'Generality Constraint', that we must know how predicates apply to them [Evans, by Peacocke]

The 21 ideas from Christopher Peacocke

17722 The concept 'red' is tied to what actually individuates red things [Peacocke]
11127 If concepts just are mental representations, what of concepts we may never acquire? [Peacocke]
9335 Concepts are constituted by their role in a group of propositions to which we are committed [Peacocke, by Greco]
9336 A concept's reference is what makes true the beliefs of its possession conditions [Peacocke, by Horwich]
18568 Philosophy should merely give necessary and sufficient conditions for concept possession [Peacocke, by Machery]
18571 Peacocke's account of possession of a concept depends on one view of counterfactuals [Peacocke, by Machery]
18572 Peacocke's account separates psychology from philosophy, and is very sketchy [Machery on Peacocke]
12577 Possessing a concept is being able to make judgements which use it [Peacocke]
12578 A concept is just what it is to possess that concept [Peacocke]
12581 Perceptual concepts causally influence the content of our experiences [Peacocke]
12579 Perception has proto-propositions, between immediate experience and concepts [Peacocke]
12584 An analysis of concepts must link them to something unconceptualized [Peacocke]
12585 Most people can't even define a chair [Peacocke]
12586 Consciousness of a belief isn't a belief that one has it [Peacocke]
12587 Employing a concept isn't decided by introspection, but by making judgements using it [Peacocke]
12605 A sense is individuated by the conditions for reference [Peacocke]
12604 Any explanation of a concept must involve reference and truth [Peacocke]
12607 Fregean concepts have their essence fixed by reference-conditions [Peacocke]
12608 Concepts are distinguished by roles in judgement, and are thus tied to rationality [Peacocke]
12609 Concepts have distinctive reasons and norms [Peacocke]
12610 Encountering novel sentences shows conclusively that meaning must be compositional [Peacocke]