-- Maclain Hunter: NOT Involution -- Exact authored source SHA-256: 1fa7c3de4106820c0a6ab68bf9f1d2c299422dfd346cdbc83ddb891ba1247c22 -- Machine formalization by Replit Agent; authority below Logic/Logos/God. import Lean namespace HunterAuthored theorem negation_value_involution (value : Int) : -(-value) = value := Int.neg_neg value #print axioms negation_value_involution end HunterAuthored