(**************************************************************************)
include "basic_2/syntax/term_vector.ma".
-include "basic_2/syntax/tsts.ma".
+include "basic_2/syntax/tsts_simple.ma".
(* SAME TOP TERM STRUCTURE **************************************************)
-(* Advanced inversion lemmas ************************************************)
-
+(* Advanced inversion lemmas with simple (neutral) terms ********************)
+(*
(* Basic_1: was only: iso_flats_lref_bind_false iso_flats_flat_bind_false *)
-lemma tsts_inv_bind_applv_simple: ∀p,I,Vs,V2,T1,T2. ⒶVs.T1 ≂ ⓑ{p,I}V2.T2 →
+(* Basic_2A1: was: tsts_inv_bind_applv_simple *)
+lemma tsts_inv_applv_bind_simple: ∀h,o,p,I,Vs,V2,T1,T2. ⒶVs.T1 ⩳[h, o] ⓑ{p,I}V2.T2 →
𝐒⦃T1⦄ → ⊥.
-#p #I #Vs #V2 #T1 #T2 #H elim (tsts_inv_pair2 … H) -H
+#h #o #p #I #Vs #V2 #T1 #T2 #H elim (tsts_inv_pair2 … H) -H
#V0 #T0 elim Vs -Vs normalize
[ #H destruct #H /2 width=5 by simple_inv_bind/
| #V #Vs #_ #H destruct
]
qed-.
+*)