yup and his book was reviewed as such at the time. mention of the rejection of his theory by professional philosophers however keeps getting edited out of the wikipedia page. See this exchange on the talk page https://en.wikipedia.org/wiki/Talk:The_Emperor%27s_New_Mind
>> "The book's thesis is considered erroneous by experts in the fields of philosophy, computer science, and robotics."
> Wooooah, there. That's a massive accusation to add, unsourced, and without any discussion. There needs to be a source for this statement, not to mention an opposing view. It seems unlikely the guy would win an award for a book no one thinks is right. I'm deleting it unless someone comes up with a pretty good source. Joker1189 (talk) 20:43, 27 July 2010 (UTC)
>> "The book's thesis is considered erroneous by experts in the fields of philosophy, computer science, and robotics."
> Wooooah, there. That's a massive accusation to add, unsourced, and without any discussion. There needs to be a source for this statement, not to mention an opposing view. It seems unlikely the guy would win an award for a book no one thinks is right. I'm deleting it unless someone comes up with a pretty good source. Joker1189 (talk) 20:43, 27 July 2010 (UTC)
The source was provided with the edit: L.J.Landau (1997) "Penrose's Philosophical Error" ISBN 3-540-76163-2 http://www.mth.kcl.ac.uk/~llandau/Homepage/Math/penrose.html Spot (talk) 03:08, 31 July 2010 (UTC)