This counts as Proof (and blocks other attempts at Proof under the same clause), but Anti-Business will not become Left Wing until you “update [Rule 2.2.1] to note that fact”.
"Nomic is a game in which changing the rules is a move. In that respect it differs from almost every other
game. The primary activity of Nomic is proposing changes in the rules, debating the wisdom of changing them
in that way, voting on the changes, deciding what can and cannot be done afterwards, and doing it. Even this
core of the game, of course, can be changed."
Kevan: Concierge he/him
This counts as Proof (and blocks other attempts at Proof under the same clause), but Anti-Business will not become Left Wing until you “update [Rule 2.2.1] to note that fact”.