Combining Philosophers

Ideas for Peter B. Lewis, Diogenes Laertius and Ralph Cudworth

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13. Knowledge Criteria / A. Justification Problems / 2. Justification Challenges / a. Agrippa's trilemma

1816	Sceptics say demonstration depends on self-demonstrating things, or indemonstrable things [Diog. Laertius]

13. Knowledge Criteria / D. Scepticism / 1. Scepticism

1819	Scepticism has two dogmas: that nothing is definable, and every argument has an opposite argument [Diog. Laertius]

13. Knowledge Criteria / D. Scepticism / 6. Scepticism Critique

3064	When sceptics say that nothing is definable, or all arguments have an opposite, they are being dogmatic [Diog. Laertius]