On Saturday, July 6, 2013 5:08:41 PM UTC+10, Paul wrote: > Nick Davies's book, Flat Earth News, says "it is a very safe bet that > there are mistakes in this book." Later, I met the author and reminded him > of this quote, and asked him what the mistakes were. He replied that the > only error he knew of was extremely minor. (He described the error, but I > forget the details.) If we tweak this account just a little bit and deem > the book to be free of mistakes, then we get the liar paradox -- the only > mistake in the book is the assertion that there are mistakes in the book. > > > > Paul Epstein
I made a quick program for this ...
herc said [liar bethy ]
bethy said [liar herc] & [herc said [liar bethy]] -> truthful bethy -> liar herc
> if you always lie, and you say that I am a liar, then I must be telling > the truth, which means that you do always lie (?).