Combining Texts
Ideas for
'The Fixation of Belief', 'Locke on Human Understanding' and 'Lives of Eminent Philosophers'
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7 ideas
13. Knowledge Criteria / A. Justification Problems / 2. Justification Challenges / a. Agrippa's trilemma
1816
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Sceptics say demonstration depends on self-demonstrating things, or indemonstrable things [Diog. Laertius]
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13. Knowledge Criteria / B. Internal Justification / 2. Pragmatic justification
6598
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We need our beliefs to be determined by some external inhuman permanency [Peirce]
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13. Knowledge Criteria / B. Internal Justification / 4. Foundationalism / b. Basic beliefs
6944
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Demonstration does not rest on first principles of reason or sensation, but on freedom from actual doubt [Peirce]
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13. Knowledge Criteria / C. External Justification / 1. External Justification
6948
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Doubts should be satisfied by some external permanency upon which thinking has no effect [Peirce]
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13. Knowledge Criteria / D. Scepticism / 1. Scepticism
1819
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Scepticism has two dogmas: that nothing is definable, and every argument has an opposite argument [Diog. Laertius]
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13. Knowledge Criteria / D. Scepticism / 6. Scepticism Critique
3064
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When sceptics say that nothing is definable, or all arguments have an opposite, they are being dogmatic [Diog. Laertius]
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6945
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Once doubt ceases, there is no point in continuing to argue [Peirce]
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