The Collatz conjecture (halve if even, 3n + 1 if odd, always reaching 1) is:

  1. proved false
  2. a conjecture — not yet proved
  3. a theorem
  4. an axiom
Answer

B) a conjecture — not yet proved

It works for every number tested but has not been proved. SLO M-09-B-14 · Knowledge

Mathematics MCQ · More Logic MCQs · Practise