(* Basic_2A1: includes: cpr_fpbq *)
(* Basic_2A1: uses: cpm_fpbq *)
lemma cpm_fwd_fpb (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,L,T1â\9d« â\89½ â\9dªG,L,T2â\9d«.
+ â\88\80T1,T2. â\9d¨G,Lâ\9d© â\8a¢ T1 â\9e¡[h,n] T2 â\86\92 â\9d¨G,L,T1â\9d© â\89½ â\9d¨G,L,T2â\9d©.
/3 width=3 by cpx_fpb, cpm_fwd_cpx/ qed-.