include "delayed_updating/syntax/preterm.ma".
include "delayed_updating/syntax/prototerm_proper.ma".
-(* UNWIND FOR PRETERM ******************************************************)
+(* UNWIND FOR PRETERM *******************************************************)
(* Constructions with fsubst ************************************************)
#f #t #u #p #Hu #ql * *
[ #rl * #r #Hr #H1 #H2 destruct
>unwind2_path_append_proper_dx
- /4 width=5 by in_comp_unwind2_path_term, in_ppc_comp_trans, or_introl, ex2_intro/
+ /4 width=5 by in_comp_unwind2_path_term, in_comp_tpc_trans, or_introl, ex2_intro/
| * #q #Hq #H1 #H0
@(ex2_intro … H1) @or_intror @conj // *
[ <list_append_empty_dx #H2 destruct
#f #t #u #p #Hu #H1p #H2p #ql * #q * *
[ #r #Hu #H1 #H2 destruct
@or_introl @ex2_intro
- [|| <unwind2_path_append_proper_dx /2 width=5 by in_ppc_comp_trans/ ]
+ [|| <unwind2_path_append_proper_dx /2 width=5 by in_comp_tpc_trans/ ]
/2 width=3 by ex2_intro/
| #Hq #H0 #H1 destruct
@or_intror @conj [ /2 width=1 by in_comp_unwind2_path_term/ ] *