Guess what? That is not Ron Paul's definition, because he's not an idiot out to confuse people--he's out to educate them and commonly calls inflation a form of theft.
http://www.youtube.com/watch?v=oLiN6p0FSVk2:14
"As far as I'm concerned deflation is when the money supply shrinks, and inflation is when the money supply expands."
-Ron Paul