I disagree with your statement and provide Graham's number as a counterexample. https://en.m.wikipedia.org/wiki/Graham%27s_number https://en.m.wikipedia.org/wi

I disagree with your statement and provide Graham's number as a counterexample. https://en.m.wikipedia.org/wiki/Graham%27s_number https://en.m.wikipedia.org/wiki/Graham%27s_number (edit: and TREE(3) )