User blog comment:Eners49/The secret 0th hyper-operator?/@comment-2601:142:2:EC49:A496:CA1D:3DA2:B5DD-20180728144329/@comment-2601:142:2:EC49:A496:CA1D:3DA2:B5DD-20180728190845

@Alemagno12 True, but with the other version you can prove that 1 is 3, so pick your poison. If you want to break the rules of arrow notation, pick the new version.

If you want to break the rules of literally EVERYTHING ELSE IN MATH use the OG version.