(* Basic_1: was just: nf2_sn3 *)
(* Basic_2A1: was: csx_cpre *)
lemma cprre_total_csx (h) (G) (L):
- â\88\80T1. â¦\83G,Lâ¦\84 â\8a¢ â¬\88*[h] ð\9d\90\92â¦\83T1â¦\84 â\86\92 â\88\83T2. â¦\83G,Lâ¦\84 â\8a¢ T1 â\9e¡*[h] ð\9d\90\8dâ¦\83T2â¦\84.
+ â\88\80T1. â\9dªG,Lâ\9d« â\8a¢ â¬\88*[h] ð\9d\90\92â\9dªT1â\9d« â\86\92 â\88\83T2. â\9dªG,Lâ\9d« â\8a¢ T1 â\9e¡*[h] ð\9d\90\8dâ\9dªT2â\9d«.
#h #G #L #T1 #H
@(csx_ind … H) -T1 #T1 #_ #IHT1
elim (cnr_dec_teqx h G L T1) [ /3 width=3 by ex_intro, cpmre_intro/ ] *