Read and marvel whilst simultaneously being quite disturbed
http://mathworld.wolfram.com/TuppersSelf-ReferentialFormula.html
Somehow Greg Egan came to mind (as well as Douglas Hofstadter, the Douglas Hofstadter of self reference)
(pointed out by a colleague)
Somehow Greg Egan came to mind (as well as Douglas Hofstadter, the Douglas Hofstadter of self reference)
(pointed out by a colleague)