Ideas of Agrippa, by Theme

[Greek, 20 - 80, Not known.]

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2. Reason / A. Nature of Reason / 9. Limits of Reason
Proofs often presuppose the thing to be proved (Mode 15) [Diog. Laertius]
Reasoning needs arbitrary faith in preliminary hypotheses (Mode 14) [Diog. Laertius]
All reasoning endlessly leads to further reasoning (Mode 12) [Diog. Laertius]
All discussion is full of uncertainty and contradiction (Mode 11) [Diog. Laertius]
13. Knowledge Criteria / A. Justification Problems / 2. Justification Challenges / a. Agrippa's trilemma
Agrippa's Trilemma: justification is infinite, or ends arbitrarily, or is circular [Williams,M]
13. Knowledge Criteria / E. Relativism / 1. Relativism
Everything is perceived in relation to another thing (Mode 13) [Diog. Laertius]