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4 (* ||A|| A project by Andrea Asperti *)
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7 (* ||T|| The HELM team. *)
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15 include "delayed_updating/unwind/unwind2_rmap_closed.ma".
16 include "delayed_updating/syntax/path_balanced.ma".
17 include "delayed_updating/syntax/path_structure.ma".
19 (* TAILED UNWIND FOR RELOCATION MAP *****************************************)
21 (* Example of unprotected balanced path *************************************)
23 definition b: path â đâđâđâđąđ.
25 lemma b_unfold: đâđâđâđąđ = b.
28 lemma b_balanced: âb Īĩ đ.
29 <b_unfold <structure_d_dx
30 /2 width=1 by pbc_empty, pbc_redex/
33 lemma b_closed: b Īĩ đâ¨âģ,đâŠ.
34 /4 width=1 by pcc_A_sn, pcc_empty, pcc_false_d_dx, pcc_L_dx/
37 lemma b_unwind2_rmap_unfold (f):
38 (âĢ¯f)âđŽâ¨đ⊠= âļ[f]b.
41 lemma b_unwind2_rmap_pap_unit (f):
42 â(fīŧ â§Ŗâ¨đâŠ) = âļ[f]bīŧ â§Ŗâ¨đâŠ.