Evariste Galois a problem sometimes even a child can understand. but proving it can be extremely complicated. Paul Erdős said, about this conjecture, that «mathematics is not yet ripe for problems of this type »Collatz conjecture - Wikipediaen.m.wikipedia.orgFolgen20TeilenLink zu Post kopieren
Evariste Galois "Survey on parapsychology" by Piero Angela. I remember very well my father's words at the end of an episode: "But then it's all bullshit".