Surprises in Logic (2016)(math.ucr.edu)
70 points by jxmorris12 | 29 comments
70 points by jxmorris12 | 29 comments
456 points by jxmorris12 | 54 comments
A 1966 letter from Richard Feynman to former student Koichi Mano advising him that worthwhile problems are ones you can actually solve, hosted on cat-v.org.