Full Idea
My reductionism about mind began as part of an a priori reductionism about everything.
Clarification
Here, 'reductionism' means explaining everything in physical terms
Gist of Idea
I am a reductionist about mind because I am an a priori reductionist about everything
Source
David Lewis (Lewis: reduction of mind (on himself) [1994], p.412)
Book Reference
'A Companion to the Philosophy of Mind', ed/tr. Guttenplan,Samuel [Blackwell 1995], p.412
A Reaction
He says this is 'a priori' to avoid giving hostages to fortune, but I think is the best explanation of the total evidence facing us