Descartes’ cogito: `I think, therefore I am’. Can one know that one is thinking, but not know what one is thinking? Can one know that one exists, but not know what kind of being one is? If that is impossible, as it seems it is, doesn’t that imply that with the cogito already a whole frame, – of concepts, categories, etc. –, has to be assumed? But then what kind of claim to a foundation does the cogito make?
Martin Stokhof from: Aantekeningen/Notes date: 22/06/1998
What distinguishes the foundationalist reading from the constitutive (‘framework’) reading is that the latter acknowledges the interdependence of certainty and knowledge, whereas the former considers certainty to be independent.
Some, e.g., Robert Brice, make a distinction between ‘heterogeneous’ and ‘homogeneous foundationalism’, arguing that the former position is the one Wittgenstein takes in On Certainty, whereas the latter is the traditional position, that is incapable of fending off the attack by the radical sceptic. The distinction between these two positions as such is clear, and important. But why exactly would one want to call them both ‘foundationalism’? That suggests that besides the difference there is also something they have in common. But what might that be? A constitutive relation is not a founding relation, the former involves an essential dependency that the latter lacks. What constitutes and what is constituted depend on one another, one cannot consists without the other. But what is founded and what founds are not in that way dependent: one can clear what is founded and be left with the foundations.
Moyal-Sharrock argues that the fundamental difference between what she considers Wittgenstein’s foundationalism and traditional foundationalism that the latter, but not the former, is propositional. This raises an interesting question. Is Descartes cogito propositional, or is it Descartes’ exposition of it that is propositional? The latter is certainly true, but does that entail the former? Or consider forms of foundationalism that consider sensory experience as foundation. Any exposition of this position will have to resort to descriptions of sensory experience, and these descriptions are, of course, propositional. But does it make sense to say that the sensory experiences themselves are necessarily also propositional? That seems not to follow, at least not without additional premisses.
Martin Stokhof from: EOL Discussion Board date: March 2020
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