Eternica Aops Online

Eternica (the user) defended the problem by introducing a new lemma, informally dubbed the (not to be confused with Brouwer's), which suggested that in a sufficiently complex logical system, the act of searching for a solution creates the solution.

: Eternica’s custom avatar—often featuring specific color gradients like light blue—has been cited as a reference point for other users requesting custom designs in the AoPS Avatar Depot The AoPS "Game Theory" Context