Full Idea
Fourteenth mode: reasoning requires arbitrary faith in preliminary hypotheses.
Clarification
One of the 'modes of scepticism'
Gist of Idea
Reasoning needs arbitrary faith in preliminary hypotheses (Mode 14)
Source
report of Agrippa (fragments/reports [c.60]) by Diogenes Laertius - Lives of Eminent Philosophers 09.Py.10
Book Reference
Diogenes Laertius: 'Diogenes Laertius', ed/tr. Yonge,C.D. [Henry G. Bohn 1853], p.413