Why is the Collatz Conjecture so difficult to prove or disprove?
63482
What is the importance of the Collatz conjecture?
28452
Statement that is provable in $ZFC+CH$ yet unprovable in $ZFC+\lnot CH$
5987
Why is NON DISCRETE logarithm problem not hard as the DISCRETE logarithm problem (so computationally hard)?
72420
Is $\mathbb{N}$ impossible to pin down?
113986
Fermat's Last Theorem: implications (there is no new proof)
73287
Project Euler Question 14 (Collatz Problem)
147952
Why can we prove mathematically that a formula to solve an (n+5) order polynomial does not exist?
85540
Prove or Disprove the Existence of Solutions...
29531
A Question On Euler's Proof Of the Basel Problem
113344
How do we prove that something is unprovable?
26898
Trouble solving two number theoretical problems
50306
Why Goldbach's conjecture is difficult to prove?
2251
Can someone give me a hint on how to prove this?
23523
Two problems on number theory
86893
Show that it is impossible to list the rational numbers in increasing order
136052
Could it be that Goldbach conjecture is undecidable?
98377
How can I prove this limit doesn't exist?