Full Idea
Can the original justification of a belief be regained through a successful defeat of a defeater?
Gist of Idea
Can a defeater itself be defeated?
Source
Thomas Grundmann (Defeasibility Theory [2011], 'Defeater-Defs')
Book Reference
'Routledge Companion to Epistemology', ed/tr. Bernecker,S/Pritchard,D [Routledge 2014], p.162
A Reaction
[Jäger 2005 addresses this] I would have thought the answer is yes. I aspire to coherent justifications, so I don't see justifications as a chain of defeat and counter-defeat, but as collective groups of support and challenge.