more from this thinker | more from this text
Full Idea
Sceptics say that every demonstration depends on things which demonstrates themselves, or on things which can't be demonstrated.
Gist of Idea
Sceptics say demonstration depends on self-demonstrating things, or indemonstrable things
Source
Diogenes Laertius (Lives of Eminent Philosophers [c.250], 9.Py.11)
Book Ref
Diogenes Laertius: 'Diogenes Laertius', ed/tr. Yonge,C.D. [Henry G. Bohn 1853], p.413
A Reaction
This refers to two parts of Agrippa's Trilemma (the third being that demonstration could go on forever). He makes the first option sound very rationalist, rather than experiential.
2085 | Parts and wholes are either equally knowable or equally unknowable [Plato] |
2091 | Without distinguishing marks, how do I know what my beliefs are about? [Plato] |
1671 | Sceptics say justification is an infinite regress, or it stops at the unknowable [Aristotle] |
8850 | Agrippa's Trilemma: justification is infinite, or ends arbitrarily, or is circular [Agrippa, by Williams,M] |
1816 | Sceptics say demonstration depends on self-demonstrating things, or indemonstrable things [Diog. Laertius] |
8840 | There are five possible responses to the problem of infinite regress in justification [Cleve] |
8834 | Infinitism avoids a regress, circularity or arbitrariness, by saying warrant just increases [Klein,P] |
2754 | Foundations are justified by non-beliefs, or circularly, or they need no justification [Dancy,J] |
8851 | Coherentists say that regress problems are assuming 'linear' justification [Williams,M] |
2731 | Justification is either unanchored (infinite or circular), or anchored (in knowledge or non-knowledge) [Audi,R] |