(* Basic_2A1: includes: cpr_fpb *)
(* Basic_2A1: uses: cpm_fpb *)
lemma cpm_fwd_fpbc (h) (n) (G) (L):
- â\88\80T1,T2. â\9dªG,Lâ\9d« â\8a¢ T1 â\9e¡[h,n] T2 â\86\92 (T1 â\89\85 T2 â\86\92 â\8a¥) â\86\92 â\9dªG,L,T1â\9d« â\89» 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 (T1 â\89\85 T2 â\86\92 â\8a¥) â\86\92 â\9d¨G,L,T1â\9d© â\89» â\9d¨G,L,T2â\9d©.
/3 width=3 by cpx_fpbc, cpm_fwd_cpx/ qed-.