Combining Philosophers

Ideas for Immanuel Kant, Keith Campbell and Stephen Schiffer

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9 ideas

13. Knowledge Criteria / A. Justification Problems / 3. Internal or External / b. Pro-externalism
If we knew what we know, we would be astonished [Kant]
     Full Idea: If we only know what we know ...we would be astonished by the treasures contained in our knowledge.
     From: Immanuel Kant (Wiener Logik [1795], p.843), quoted by J. Alberto Coffa - The Semantic Tradition from Kant to Carnap 1 'Conc'
     A reaction: Nice remark. He doesn't require immediat recall of knowledge. You can't be required to know that you know something. That doesn't imply externalism, though. I believe in securely founded internal knowledge which is hard to recall.
13. Knowledge Criteria / B. Internal Justification / 4. Foundationalism / f. Foundationalism critique
A sufficient but general sign of truth cannot possibly be provided [Kant]
     Full Idea: It is clear that a sufficient and yet at the same time general sign of truth cannot possibly be provided.
     From: Immanuel Kant (Critique of Pure Reason [1781], B083/A59)
     A reaction: In relation to the quest of Sextus Empiricus to find the 'criterion' of knowledge, this makes Kant a sceptic. It certainly seems to rule out any foundationalist view of knowledge. (Clearly Kant believes that an account of knowledge is possible).
13. Knowledge Criteria / B. Internal Justification / 5. Coherentism / a. Coherence as justification
Kant says knowledge is when our representations sufficiently conform to our concepts [Kant, by Critchley]
     Full Idea: Kant, in his epistemology, turns the issue of scepticism around by acknowledging that, although we can never know things-in-themselves, the objects of our representations conform to the concepts we have of them in a manner sufficient for knowledge.
     From: report of Immanuel Kant (Critique of Pure Reason [1781]) by Simon Critchley - Continental Philosophy - V. Short Intro Ch.2
     A reaction: This seems to invite the problem of a brain-in-a-vat, which is fed absurd representations, and set up with a bunch of silly concepts that conform to the representations.
13. Knowledge Criteria / C. External Justification / 6. Contextual Justification / a. Contextualism
Contextualism needs a semantics for knowledge sentences that are partly indexical [Schiffer,S]
     Full Idea: Contextualist semantics must capture the 'indexical' nature of knowledge claims, the fact that different utterances of a knowledge sentence with no apparent indexical terms can express different propositions.
     From: Stephen Schiffer (Contextualist Solutions to Scepticism [1996], p.325), quoted by Keith DeRose - The Case for Contextualism 1.5
     A reaction: Schiffer tries to show that this is too difficult, and DeRose defends contextualism against the charge.
The indexical aspect of contextual knowledge might be hidden, or it might be in what 'know' means [Schiffer,S]
     Full Idea: One might have a 'hidden-indexical' theory of knowledge sentences: they contain constituents that are not the semantic values of any terms; ...or 'to know' itself might be indexical, as in 'I know[easy] I have hands' or 'I know[tough] I have hands'.
     From: Stephen Schiffer (Contextualist Solutions to Scepticism [1996], p.326-7), quoted by Keith DeRose - The Case for Contextualism 1.5
     A reaction: [very compressed] Given the choice, I would have thought it was in 'know', since to say 'either you know p or you don't' sounds silly to me.
13. Knowledge Criteria / D. Scepticism / 1. Scepticism
Kant thought he had refuted scepticism, but his critics say he is a sceptic, for rejecting reality [O'Grady on Kant]
     Full Idea: Kant believed he had given a decisive answer to traditional scepticism, since we can no longer be mistaken about objects, but his critics say he is a sceptic, because he relinquishes our grasp of independent things.
     From: comment on Immanuel Kant (Critique of Pure Reason [1781]) by Paul O'Grady - Relativism Ch.3
     A reaction: A simple issue to raise about the man, my first reaction being that he is a sceptic. He says the 'noumenon' (true reality) is unknowable, but I say we can meaningfully speculate and theorise about it.
13. Knowledge Criteria / D. Scepticism / 6. Scepticism Critique
Scepticism is the euthanasia of pure reason [Kant]
     Full Idea: Reason is tempted to surrender itself to a sceptical hopelessness, which might also be called the euthanasia of pure reason.
     From: Immanuel Kant (Critique of Pure Reason [1781], B434/A407)
     A reaction: Colin McGinn's 'mysterian' pessimism about the mind-body problem comes to mind!
Scepticism is absurd in maths, where there are no hidden false assertions [Kant]
     Full Idea: The sceptical method would be absurd in mathematics, because nowhere in mathematics do false assertions disguise themselves and make themselves invisible.
     From: Immanuel Kant (Critique of Pure Reason [1781], B452/A424)
     A reaction: An interesting observation. The implication I take here is that scepticism in the realm of sensation is justified, precisely because errors and illusion do occur.
13. Knowledge Criteria / E. Relativism / 1. Relativism
For Kant, experience is relative to a scheme, but there are no further possible schemes [Kant, by Fogelin]
     Full Idea: For Kant, experience is relativised to a categorial framework, but there is no further relativisation, at least in any deep respect, to a plurality of possible conceptual schemes.
     From: report of Immanuel Kant (Critique of Pure Reason [1781]) by Robert Fogelin - Walking the Tightrope of Reason Ch.3
     A reaction: This point is enlarged nicely by Davidson, in his view that we could make no sense of a different 'conceptual scheme' (Idea 6398). Kant's resistance to speculation prevents him imagining how it might be to be an angel, or an alien, or a Hopi.