(* Inversion lemmas with normal terms ***************************************)
lemma cpxs_inv_cnx1: ∀h,o,G,L,T1,T2. ⦃G, L⦄ ⊢ T1 ⬈*[h] T2 → ⦃G, L⦄ ⊢ ⬈[h, o] 𝐍⦃T1⦄ →
- T1 â\89¡[h, o] T2.
+ T1 â\89\9b[h, o] T2.
#h #o #G #L #T1 #T2 #H @(cpxs_ind_dx … H) -T1
/5 width=8 by cnx_tdeq_trans, tdeq_trans/
qed-.