Gödel's ProofEbookGödel's ProofbyErnest NagelRating: 4 out of 5 stars4/5Save Gödel's Proof for later
I Am a Strange LoopAudiobookI Am a Strange LoopbyDouglas R. HofstadterRating: 4 out of 5 stars4/5Save I Am a Strange Loop for later
