User blog comment:Hyp cos/tree function and TREE(3)/@comment-180.214.233.28-20141218140408/@comment-223.255.230.46-20141218182736

i don't get it ,do you mean that  the expressions like {L,L,L} is not well-defined as well legion,lugion,and other markers? all this time i always thinking that these constructions are somehow similar to that constructions of graham's number but used &&&& instead of up arrows