∀T. ⦃G,L⦄ ⊢ T ⁝ A → ∃U. ⦃G,L⦄ ⊢ T ➡*[n,h] U.
#h #G #L #n elim n -n
[ /2 width=3 by ex_intro/
-| #n #IH #A #T1 #HT1 <plus_SO
+| #n #IH #A #T1 #HT1 <plus_SO_dx
elim (IH … HT1) -IH #T0 #HT10
lapply (cpms_aaa_conf … HT1 … HT10) -HT1 #HT0
elim (aaa_cpm_SO h … HT0) -HT0 #T2 #HT02