-lemma cpms_fwd_cpxs (n) (h): ∀G,L,T1,T2. ⦃G,L⦄ ⊢ T1 ➡*[n,h] T2 → ⦃G,L⦄ ⊢ T1 ⬈*[h] T2.
-#n #h #G #L #T1 #T2 #H @(cpms_ind_dx … H) -T2
-/3 width=4 by cpxs_strap1, cpm_fwd_cpx/
+lemma cpms_fwd_cpxs (h) (n) (G) (L):
+ ∀T1,T2. ❪G,L❫ ⊢ T1 ➡*[h,n] T2 → ❪G,L❫ ⊢ T1 ⬈* T2.
+#h #n #G #L #T1 #T2 #H @(cpms_ind_dx … H) -T2
+/3 width=5 by cpxs_strap1, cpm_fwd_cpx/