(* Properties with generic slicing ******************************************)
-(* Note: the premise ð\9d\90\94â¦\83fâ¦\84 cannot be removed *)
+(* Note: the premise ð\9d\90\94â\9dªfâ\9d« cannot be removed *)
(* Basic_1: includes: csubc_drop_conf_O *)
(* Basic_2A1: includes: lsubc_drop_O1_trans *)
lemma lsubc_drops_trans_isuni: ∀RP,G,L1,L2. G ⊢ L1 ⫃[RP] L2 →
- â\88\80b,f,K2. ð\9d\90\94â¦\83fâ¦\84 → ⇩*[b,f] L2 ≘ K2 →
+ â\88\80b,f,K2. ð\9d\90\94â\9dªfâ\9d« → ⇩*[b,f] L2 ≘ K2 →
∃∃K1. ⇩*[b,f] L1 ≘ K1 & G ⊢ K1 ⫃[RP] K2.
#RP #G #L1 #L2 #H elim H -L1 -L2
[ /2 width=3 by ex2_intro/