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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 *)
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15 include "basic_2/rt_transition/cpm_fpb.ma".
16 include "basic_2/rt_transition/cpm_fpbc.ma".
17 include "basic_2/rt_computation/fpbg_fqup.ma".
19 (* PROPER PARALLEL RST-COMPUTATION FOR CLOSURES *****************************)
21 (* Properties with t-bound rt-transition for terms **************************)
23 lemma cpm_tneqx_cpm_fpbg (h) (G) (L):
24 ∀n1,T1,T. ❨G,L❩ ⊢ T1 ➡[h,n1] T → (T1 ≅ T → ⊥) →
25 ∀n2,T2. ❨G,L❩ ⊢ T ➡[h,n2] T2 → ❨G,L,T1❩ > ❨G,L,T2❩.
26 /4 width=5 by fpbc_fpbs_fpbg, fpb_fpbs, cpm_fwd_fpbc, cpm_fwd_fpb/