(* Basic_2A1: includes: cpr_cpx *)
lemma cpm_fwd_cpx (h) (n) (G) (L):
- â\88\80T1,T2. â\9dªG,Lâ\9d« â\8a¢ T1 â\9e¡[h,n] T2 â\86\92 â\9dªG,Lâ\9d« ⊢ T1 ⬈ T2.
+ â\88\80T1,T2. â\9d¨G,Lâ\9d© â\8a¢ T1 â\9e¡[h,n] T2 â\86\92 â\9d¨G,Lâ\9d© ⊢ T1 ⬈ T2.
#h #n #G #L #T1 #T2 * #c #_ #HT12
/2 width=4 by cpg_cpx/
qed-.