Full Idea
We must distinguish between something's being a 'reason for which' a creature believes something, and its being a 'reason why' a creature believes something. ...We must also distinguish a 'reason for which' from a 'reason to' believe something.
Gist of Idea
There are reasons 'for which' a belief is held, reasons 'why' it is believed, and reasons 'to' believe it
Source
Ram Neta (The Basing Relation [2011], Intro)
Book Reference
'Routledge Companion to Epistemology', ed/tr. Bernecker,S/Pritchard,D [Routledge 2014], p.109
A Reaction
He doesn't spell the distinctions out clearly. I take it that 'for which' is my personal justification, 'why' is the dodgy prejudices that cause my belief. and 'to' is some actual good reasons, of which I may be unaware.