-- Maclain Hunter: The Logic Before Time by Maclain Hunter
-- Exact authored source SHA-256: 2faa3875a2c83257ccf6b648c722c7f2d8ccc5aafdb73d8f5ef46e098c150193
-- Machine formalization by Replit Agent; authority below Logic/Logos/God.
import Lean
namespace HunterAuthored

theorem inference_1 (v0 v1 v2 v3 : Bool) :
    ((!(((v0 && v1) && v2) && v3)) || (((v0 && v1) && v2) == v3)) = true := by
  cases v0 <;> cases v1 <;> cases v2 <;> cases v3 <;> decide
#print axioms inference_1

end HunterAuthored