The book Proofs and Refutations: The Logic of Mathematical Discovery, published after his death, is based on this work.
Το βιβλίο Proofs and Refutations: The Logic of Mathematical Discovery, που δημοσιεύθηκε μετά τον θάνατό του, βασίζεται σε αυτή τη διδακτορική διατριβή.