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2 votes
1 answer
148 views

Second-order skepticism

Let "kS" = "It is known that S." Then kkS or k2S is a common hypothesis in epistemic logic (the full hypothesis can be stated as kS → k2S). So a second-order skeptic [SOS] at least ...
Kristian Berry's user avatar
3 votes
0 answers
127 views

Question about the IEP’s (Michael Huemer’s) formulation of phenomenal conservatism

(I posted the identical question on the AskPhilosophy subreddit.) I first learned about phenomenal conservatism under a different name, “the principle of credulity”, from the philosopher of religion ...
Adam Sharpe's user avatar
  • 3,864
2 votes
1 answer
142 views

Cartesian Skepticism within a Coherentist Epistemology

I recently decided that it is high time I reacquaint myself with the early moderns, and I thought there could be no better place to start with than Descartes' Mediations on First Philosophy. Reading ...
Eli Bashwinger's user avatar
1 vote
2 answers
152 views

Are universal skepticism and foundationalism at odds?

As I understand it, universal skepticism says that everything is uncertain. For example, you can't even say that you are sure that 1=1 because it depends upon your notion of equality. There are no ...
Robert Grote's user avatar
11 votes
5 answers
1k views

How far can/should one press philosophical doubt?

Should we keep on questioning until nothing is left to question or is there a point on which we need to stand (which we often tend to do)? Descartes used 'I think' as this fixed point where the ...
Ather Cheema's user avatar