-- Maclain Hunter: Maclain Hunter on Monads
-- Exact authored source SHA-256: 3207637d827abc163cd406c4a45ef729e468a484d4b696971aeefcf942ffbff9
-- Machine formalization by Replit Agent; authority below Logic/Logos/God.
import Lean
namespace HunterAuthored

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

end HunterAuthored