Section DerivableRules_multi_impp.
Context {L: Language}
{minL: MinimumLanguage L}
{Gamma: Provable L}
{minAX: MinimumAxiomatization L Gamma}.

Lemma provable_multi_imp_modus_ponens: forall xs y z, |-- multi_imp xs y --> multi_imp xs (y --> z) --> multi_imp xs z.