(1) - For a fun, if surreal, treatment of formal systems, check out Godel, Escher, Bach: An Eternal Golden Braid by Douglas Hofsteader.

I second that suggestion. One of my all time favourite books. Great fun.

In reply to Re: MOPT-02 - substitution and formal systems by adrianh
in thread MOPT-02 - substitution and formal systems by mstone

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