Re: [math-fun] dilog puzzle

On 7/27/08, rwg@sdf.lonestar.org <rwg@sdf.lonestar.org> wrote:

(Yes, Henry, ln phi = asinh 1/2 .-)

I'm not even managing to clamber in on the ground floor here. _Why_ is it true? [in kindergarten terms, that is!] WFL