Don't miss the comments. Particularly Tor Hovland's hint about the size of k, and David Turner's "spoiler." The Wikipedia article [1] demystify's it completely.

Don't miss the comments. Particularly Tor Hovland's hint about the size of k, and David Turner's "spoiler." The Wikipedia article [1] demystify's it completely. [1] https://en.wikipedia.org/wiki/Tupper%27s_self-referential_formula https://en.wikipedia.org/wiki/Tupper%27s_self-referential_fo...