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4 (* ||A|| A project by Andrea Asperti *)
6 (* ||I|| Developers: *)
7 (* ||T|| The HELM team. *)
8 (* ||A|| http://helm.cs.unibo.it *)
10 (* \ / This file is distributed under the terms of the *)
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15 include "delayed_updating/unwind/unwind2_path_structure.ma".
16 include "delayed_updating/syntax/path_inner.ma".
18 (* UNWIND FOR PATH **********************************************************)
20 (* Destructions with inner condition for path *******************************)
22 lemma unwind2_path_des_inner (f) (p):
24 #f #p @(list_ind_rcons … p) -p //
26 <unwind2_path_d_dx #H0
27 elim (pic_inv_d_dx … H0)