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The Cartesian Method of Doubt. To overcome scepticism be an ultra sceptic in method. One bad apple in a basket corrupts the others – it must, like all doubtful beliefs, be rejected. Anything that is not certain must be rejected.
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The Cartesian Method of Doubt • To overcome scepticism be an ultra sceptic in method. • One bad apple in a basket corrupts the others – it must, like all doubtful beliefs, be rejected. • Anything that is not certain must be rejected. • Anything that is capable of being doubted at all must also be rejected. • What is left will offer certain foundations upon which to build our knowledge.