[r-t] Principles

Matthew Frye matthew at frye.org.uk
Tue Jul 5 21:45:12 UTC 2011

On 5 Jul 2011, at 22:39, Alexander Holroyd wrote:
> Really?  You mean you can prove that ordinary (palindromic) symmetry is impossible, for example?

No, really must think a bit more before speaking/typing, sorry.


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