Section SepconRules.
Context {L: Language}
{minL: MinimumLanguage L}
{sepconL: SepconLanguage L}
{Gamma: Provable L}
{minAX: MinimumAxiomatization L Gamma}
{sepconAX: SepconAxiomatization L Gamma}.

Lemma sepcon_assoc2: forall x y z, |-- (x * y) * z --> x * (y * z).