It's neither linear nor simple. Of course commodity prices rise as the fiat currency in which they trade is devalued, but that doesn't make 'em money. I'm not gonna even attempt to 'splain it to you here.
These guys are a much better source:
Ron Paul: The Case for Gold
http://mises.org/media/2845/The-Case-for-Gold
http://mises.org/document/603/Case-for-Gold-The
Hayek: Choice in Currency
http://mises.org/document/3983/Choice-in-Currency
Interview with FOFOA:
http://fofoa.blogspot.com/2012/07/interview.html

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