(* Basic_1: was only: iso_flats_lref_bind_false iso_flats_flat_bind_false *)
(* Basic_2A1: was: tsts_inv_bind_applv_simple *)
lemma teqo_inv_applv_bind_simple (p) (I):
- â\88\80Vs,V2,T1,T2. â\92¶Vs.T1 ~ â\93\91[p,I]V2.T2 â\86\92 ð\9d\90\92â\9dªT1â\9d« → ⊥.
+ â\88\80Vs,V2,T1,T2. â\92¶Vs.T1 ~ â\93\91[p,I]V2.T2 â\86\92 ð\9d\90\92â\9d¨T1â\9d© → ⊥.
#p #I #Vs #V2 #T1 #T2 #H elim (teqo_inv_pair2 … H) -H
#V0 #T0 elim Vs -Vs normalize
[ #H destruct #H /2 width=5 by simple_inv_bind/